diff --git a/src/NodaTimeAutotranslater.php b/src/NodaTimeAutotranslater.php
index 07a4f49..0ded8b8 100644
--- a/src/NodaTimeAutotranslater.php
+++ b/src/NodaTimeAutotranslater.php
@@ -12,144 +12,7 @@ require_once __DIR__ . '/inc/datesByCountry.php';
  */
 final class NodaTimeAutotranslater {
 
-    const USECASE_MONTH = 1;
-    const USECASE_DAY   = 2;
-
-    const TRANSLATABLE_NOT = 0;
-    const TRANSLATABLE_AS_MONTH_DAY = 1;
-    const TRANSLATABLE_AS_YEAR_WITH_SUFFIX = 2;
-    const TRANSLATABLE_SINCE_START = 3;
-    const TRANSLATABLE_UNTIL_END = 4;
-    const TRANSLATABLE_ONLY_YEAR = 5;
-    const TRANSLATABLE_CENTURY = 6;
-    const TRANSLATABLE_DECADE = 7;
-    const TRANSLATABLE_TIMESPAN_YEARS = 8;
-    const TRANSLATABLE_TIMESPAN_DATES = 9;
-
-    const LANGS_TO_LOCALES = [
-        'ar' => 'ar_SY.utf8',
-        'de' => 'de_DE.utf8',
-        'en' => 'en_US.utf8',
-        'es' => 'es_ES.utf8',
-        'fa' => 'fa_IR.UTF-8',
-        'fr' => 'fr_FR.utf8',
-        'hu' => 'hu_HU.utf8',
-        'id' => 'id_ID.utf8',
-        'it' => 'it_IT.utf8',
-        'ka' => 'ka_GE.UTF-8',
-        'ko' => 'ko_KR.UTF-8',
-        'pl' => 'pl_PL.utf8',
-        'pt' => 'pt_BR.utf8',
-        'ro' => 'ro_RO.UTF-8',
-        'ru' => 'ru_RU.UTF-8',
-        'ta' => 'ta_IN.UTF-8',
-        'tl' => 'tl_PH.utf8',
-        'tr' => 'tr_TR.utf8',
-
-        // Languages that don't really need a specific locale
-        'ja' => 'en_US.utf8',
-        'zh' => 'en_US.utf8',
-    ];
-
-    const LANGS_SINGLE_YEAR_FORMAT = [
-        'ar' => '%s',
-        'de' => '%s',
-        'en' => '%s',
-        'es' => '%s',
-        'fa' => '%s',
-        'fr' => '%s',
-        'hu' => '%s',
-        'id' => '%s',
-        'it' => '%s',
-        'ka' => '%s',
-        'ko' => '%s년',
-        'pl' => '%s',
-        'pt' => '%s',
-        'ro' => '%s',
-        'ru' => '%s',
-        'ta' => '%s',
-        'tl' => '%s',
-        'tr' => '%s',
-
-        // Languages that don't really need a specific locale
-        'ja' => '%s年',
-        'zh' => '%s年',
-    ];
-
-    const LANGS_YEARSPAN_FORMAT = [
-        'ar' => '%s-%s',
-        'de' => '%s-%s',
-        'en' => '%s-%s',
-        'es' => '%s-%s',
-        'fa' => '%s-%s',
-        'fr' => '%s-%s',
-        'hu' => '%s-%s',
-        'id' => '%s-%s',
-        'it' => '%s-%s',
-        'ka' => '%s-%s',
-        'ko' => '%s년-%s년',
-        'pl' => '%s-%s',
-        'pt' => '%s-%s',
-        'ro' => '%s-%s',
-        'ru' => '%s-%s',
-        'ta' => '%s-%s',
-        'tl' => '%s-%s',
-        'tr' => '%s-%s',
-
-        // Languages that don't really need a specific locale
-        'ja' => '%s年から%s年',
-        'zh' => '%s年至%s年',
-    ];
-
-    const LANGS_TO_BCE_FORMAT = [
-        'ar' => '-%s',
-        'de' => '%s v. Chr.',
-        'en' => '%s BC',
-        'es' => '%s a.C.',
-        'fa' => '-%s',
-        'fr' => '%s av. J.-C.',
-        'hu' => 'Kr. e. %s',
-        'id' => '%s SM',
-        'it' => '%s a.C.',
-        'ka' => 'ძვ. წ. %s წ',
-        'ko' => '기원전%s',
-        'pl' => '%s pne',
-        'pt' => '%s AC',
-        'ro' => '%s î.Hr.',
-        'ru' => '%s г. до н.э.',
-        'ta' => 'கிமு %s',
-        'tl' => '%s BC',
-        'tr' => 'MÖ %s',
-
-        // Languages that don't really need a specific locale
-        'ja' => '紀元前%s',
-        'zh' => '公元前%s',
-    ];
-
-    const LANGS_TO_CE_FORMAT = [
-        'ar' => '%s',
-        'de' => '%s n. Chr.',
-        'en' => '%s CE',
-        'es' => '%s d.C.',
-        'fa' => '%s',
-        'fr' => '%s ap. J.-C.',
-        'hu' => '%s',
-        'id' => '%s M.',
-        'it' => '%s d.C.',
-        'ka' => '%s წ',
-        'ko' => '%s',
-        'pl' => '%s n.e.',
-        'pt' => '%s dC',
-        'ro' => '%s',
-        'ru' => '%s',
-        'ta' => '%s பொ.ச.',
-        'tl' => '%s AD',
-        'tr' => '%s',
-
-        // Languages that don't really need a specific locale
-        'ja' => '西暦%s',
-        'zh' => '%s',
-    ];
+    // TODO: Move these to NodaTimeAutotranslaterLocales
 
     const LANGS_SINCE_START_FORMAT_YEAR = [
         'ar' => '%s-',
@@ -360,6 +223,12 @@ final class NodaTimeAutotranslater {
     /** @var MDMysqliStmt */
     private MDMysqliStmt $_insertStmt;
 
+    /**
+     * Formats a time according to a specified format.
+     *
+     * @return string
+     */
+
     /**
      * Checks if a time is translatable.
      * Translatable times have either a counting time day and month or at least a month.
@@ -368,48 +237,48 @@ final class NodaTimeAutotranslater {
      * @param string $zeit_ende            End year.
      * @param string $zeit_zaehlzeit_monat Counting time month.
      *
-     * @return integer
+     * @return NodaTimeAutotranslaterStatus
      */
-    public static function check_translatability(string $zeit_beginn, string $zeit_ende, string $zeit_zaehlzeit_monat):int {
+    public static function check_translatability(string $zeit_beginn, string $zeit_ende, string $zeit_zaehlzeit_monat):NodaTimeAutotranslaterStatus {
 
         if ($zeit_ende === "?") {
-            return self::TRANSLATABLE_SINCE_START;
+            return NodaTimeAutotranslaterStatus::SINCE_START;
         }
         if ($zeit_beginn === "?") {
-            return self::TRANSLATABLE_UNTIL_END;
+            return NodaTimeAutotranslaterStatus::UNTIL_END;
         }
 
         if (\intval($zeit_ende) >= 0 && \intval($zeit_beginn) < 0) {
-            return self::TRANSLATABLE_NOT;
+            return NodaTimeAutotranslaterStatus::NOT;
         }
 
         if (($zeit_ende > 0 && \intval($zeit_ende) % 100 === 0 and (\intval($zeit_beginn) - 1) % 100 === 0)
             || (\intval($zeit_beginn) < 0 && \intval($zeit_beginn) % 100 === 0 and (\intval($zeit_ende) + 1) % 100 === 0)
         ) {
-            return self::TRANSLATABLE_CENTURY;
+            return NodaTimeAutotranslaterStatus::CENTURY;
         }
 
         if ((\intval($zeit_ende) + 1) % 10 === 0 and \intval($zeit_beginn) % 10 === 0 and \intval($zeit_beginn) > 1000) {
-            return self::TRANSLATABLE_DECADE;
+            return NodaTimeAutotranslaterStatus::DECADE;
         }
 
         if (\intval($zeit_ende) < 0 && \intval($zeit_beginn) < 0
             || (\intval($zeit_ende) < 1000 and \trim($zeit_zaehlzeit_monat, ", .0") === "")
         ) {
-            return self::TRANSLATABLE_AS_YEAR_WITH_SUFFIX;
+            return NodaTimeAutotranslaterStatus::AS_YEAR_WITH_SUFFIX;
         }
         if ($zeit_ende === $zeit_beginn and \trim($zeit_zaehlzeit_monat, ", .0") === "") {
-            return self::TRANSLATABLE_ONLY_YEAR;
+            return NodaTimeAutotranslaterStatus::ONLY_YEAR;
         }
         if ($zeit_ende !== $zeit_beginn and \trim($zeit_zaehlzeit_monat, ", .0") === "") {
-            return self::TRANSLATABLE_TIMESPAN_YEARS;
+            return NodaTimeAutotranslaterStatus::TIMESPAN_YEARS;
         }
         // Conditions speaking against translatability.
         if (\trim($zeit_zaehlzeit_monat, ", .0") === "") {
-            return self::TRANSLATABLE_NOT;
+            return NodaTimeAutotranslaterStatus::NOT;
         }
 
-        return self::TRANSLATABLE_AS_MONTH_DAY;
+        return NodaTimeAutotranslaterStatus::AS_MONTH_DAY;
 
     }
 
@@ -419,17 +288,17 @@ final class NodaTimeAutotranslater {
      * @param integer $start Start year.
      * @param integer $end   End year.
      *
-     * @return integer
+     * @return NodaTimeAutotranslaterSuffixMode
      */
-    public static function getSuffixModeForYearsWSuffix(int $start, int $end):int {
+    public static function getSuffixModeForYearsWSuffix(int $start, int $end):NodaTimeAutotranslaterSuffixMode {
 
         if ($start < 0 && $end < 0) {
-            $suffixMode = 2; // 2; // " v. Chr.";
+            $suffixMode = NodaTimeAutotranslaterSuffixMode::BCE; // 2; // " v. Chr.";
         }
         else if ($end < 1000) {
-            $suffixMode = 1; // " n. Chr.";
+            $suffixMode = NodaTimeAutotranslaterSuffixMode::CE; // " n. Chr.";
         }
-        else $suffixMode = 0; // Times larger than 1000 n. Chr.
+        else $suffixMode = NodaTimeAutotranslaterSuffixMode::ANY; // Times larger than 1000 n. Chr.
 
         return $suffixMode;
 
@@ -438,21 +307,21 @@ final class NodaTimeAutotranslater {
     /**
      * Applies suffix format to a time string.
      *
-     * @param string  $tLang      Two digit ANSI language code.
-     * @param string  $timeName   Time name.
-     * @param integer $suffixMode Suffix mode.
+     * @param string                           $tLang      Two digit ANSI language code.
+     * @param string                           $timeName   Time name.
+     * @param NodaTimeAutotranslaterSuffixMode $suffixMode Suffix mode.
      *
      * @return string
      */
-    public static function applyBcBceFormat(string $tLang, string $timeName, int $suffixMode):string {
+    public static function applyBcBceFormat(string $tLang, string $timeName, NodaTimeAutotranslaterSuffixMode $suffixMode):string {
 
         switch ($suffixMode) {
-        case 0:
+        case NodaTimeAutotranslaterSuffixMode::ANY:
             return $timeName;
-        case 1:
-            return \sprintf(self::LANGS_TO_CE_FORMAT[$tLang], $timeName);
-        case 2:
-            return \sprintf(self::LANGS_TO_BCE_FORMAT[$tLang], $timeName);
+        case NodaTimeAutotranslaterSuffixMode::CE:
+            return \sprintf(NodaTimeAutotranslaterLocales::fromString($tLang)->eraFormatCeForSprintf(), $timeName);
+        case NodaTimeAutotranslaterSuffixMode::BCE:
+            return \sprintf(NodaTimeAutotranslaterLocales::fromString($tLang)->eraFormatBceForSprintf(), $timeName);
         default:
             throw new Exception("Unknown case encountered for time translations.");
         }
@@ -464,7 +333,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsWithSuffix(array $timeInfo):array {
 
@@ -474,34 +343,35 @@ final class NodaTimeAutotranslater {
         $suffixMode = self::getSuffixModeForYearsWSuffix($start, $end);
 
         // Time info to pass
-        if ($suffixMode === 2) {
+        if ($suffixMode === NodaTimeAutotranslaterSuffixMode::BCE) {
             $timeInfoToCopy = $timeInfo;
             $timeInfoToCopy["zeit_beginn"] = \abs($start);
             $timeInfoToCopy["zeit_ende"] = \abs($end);
         }
 
         $output = [];
-        foreach (self::LANGS_TO_CE_FORMAT as $tLang => $ceFormat) {
+        $cases = NodaTimeAutotranslaterLocales::cases();
+        foreach ($cases as $tLang) {
 
-            if ($suffixMode === 2) {
+            if ($suffixMode === NodaTimeAutotranslaterSuffixMode::BCE) {
 
                 if (empty($timeInfoToCopy)) {
                     throw new Exception("No time information to copy existent");
                 }
-                $ceIndicatorsToRemove = explode("%s", self::LANGS_TO_CE_FORMAT[$tLang]);
-                $year = self::getTranslations($timeInfoToCopy)[$tLang];
+                $ceIndicatorsToRemove = explode("%s", $tLang->eraFormatCeForSprintf());
+                $year = self::getTranslations($timeInfoToCopy)[$tLang->name];
                 foreach ($ceIndicatorsToRemove as $ceIndicatorToRemove) {
                     $year = str_replace($ceIndicatorToRemove, "", $year);
                 }
             }
             else {
                 if ($start === $end) {
-                    $year = \sprintf(self::LANGS_SINGLE_YEAR_FORMAT[$tLang], (string)\abs($start));
+                    $year = \sprintf($tLang->formatSingleYearForSprintf(), (string)\abs($start));
                 }
-                else $year = \sprintf(self::LANGS_YEARSPAN_FORMAT[$tLang], (string)\abs($start), (string)\abs($end));
+                else $year = \sprintf($tLang->formatYearspanForSprintf(), (string)\abs($start), (string)\abs($end));
             }
 
-            $output[$tLang] = self::applyBcBceFormat($tLang, $year, $suffixMode);
+            $output[$tLang->name] = self::applyBcBceFormat($tLang->name, $year, $suffixMode);
 
         }
         return $output;
@@ -513,15 +383,17 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearOnly(array $timeInfo):array {
 
         $start = \intval($timeInfo['zeit_beginn']);
         $output = [];
 
-        foreach (self::LANGS_SINGLE_YEAR_FORMAT as $tLang => $format) {
-            $output[$tLang] = \sprintf($format, (string)\abs($start));
+        $cases = NodaTimeAutotranslaterLocales::cases();
+        foreach ($cases as $tLang) {
+            $format = $tLang->formatSingleYearForSprintf();
+            $output[$tLang->name] = \sprintf($format, (string)\abs($start));
         }
         return $output;
 
@@ -532,7 +404,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateTimespanYears(array $timeInfo):array {
 
@@ -540,9 +412,9 @@ final class NodaTimeAutotranslater {
         $end = \intval($timeInfo['zeit_ende']);
         $output = [];
 
-        if (\abs($start) === 1102) throw new Exception(var_export($timeInfo, true));
-        foreach (self::LANGS_YEARSPAN_FORMAT as $tLang => $format) {
-            $output[$tLang] = \sprintf($format, (string)\abs($start), (string)\abs($end));
+        $cases = NodaTimeAutotranslaterLocales::cases();
+        foreach ($cases as $tLang) {
+            $output[$tLang->name] = \sprintf($tLang->formatYearspanForSprintf(), (string)\abs($start), (string)\abs($end));
         }
         return $output;
 
@@ -553,7 +425,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsAsCentury(array $timeInfo):array {
 
@@ -595,7 +467,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsAsDecade(array $timeInfo):array {
 
@@ -631,7 +503,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsAfterStart(array $timeInfo):array {
 
@@ -660,7 +532,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsSinceStart(array $timeInfo):array {
 
@@ -691,7 +563,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsBeforeEnd(array $timeInfo):array {
 
@@ -720,7 +592,7 @@ final class NodaTimeAutotranslater {
      *
      * @param array<integer|string> $timeInfo Time information.
      *
-     * @return array<string>
+     * @return array<string, string>
      */
     public static function translateYearsUntilEnd(array $timeInfo):array {
 
@@ -781,71 +653,97 @@ final class NodaTimeAutotranslater {
             ];
 
             $output = [];
-            foreach (self::LANGS_YEARSPAN_FORMAT as $tLang => $format) {
-                $start_term = self::getTranslations($startTimeInfo)[$tLang];
-                $end_term = self::getTranslations($endTimeInfo)[$tLang];
+            $cases = NodaTimeAutotranslaterLocales::cases();
+            foreach ($cases as $tLang) {
+                $start_term = self::getTranslations($startTimeInfo)[$tLang->name];
+                $end_term = self::getTranslations($endTimeInfo)[$tLang->name];
 
-                $output[$tLang] = \sprintf($format, $start_term, $end_term);
+                $output[$tLang->name] = \sprintf($tLang->formatYearspanForSprintf(), $start_term, $end_term);
             }
             return $output;
         }
 
-        if (!($translation_type = self::check_translatability((string)$timeInfo['zeit_beginn'], (string)$timeInfo['zeit_ende'], (string)$timeInfo['zeit_zaehlzeit_monat']))) {
+        if (($translation_type = self::check_translatability((string)$timeInfo['zeit_beginn'], (string)$timeInfo['zeit_ende'], (string)$timeInfo['zeit_zaehlzeit_monat'])) === NodaTimeAutotranslaterStatus::NOT) {
             throw new MDgenericInvalidInputsException("Non-translatable date: {$timeInfo['zeit_beginn']} - {$timeInfo['zeit_ende']}");
         }
 
-        if ($translation_type === self::TRANSLATABLE_ONLY_YEAR) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::ONLY_YEAR) {
             return self::translateYearOnly($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_SINCE_START) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::SINCE_START) {
             return self::translateYearsSinceStart($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_UNTIL_END) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::UNTIL_END) {
             return self::translateYearsUntilEnd($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_CENTURY) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::CENTURY) {
             return self::translateYearsAsCentury($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_DECADE) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::DECADE) {
             return self::translateYearsAsDecade($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_TIMESPAN_YEARS) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::TIMESPAN_YEARS) {
             return self::translateTimespanYears($timeInfo);
         }
 
-        if ($translation_type === self::TRANSLATABLE_AS_YEAR_WITH_SUFFIX) {
+        if ($translation_type === NodaTimeAutotranslaterStatus::AS_YEAR_WITH_SUFFIX) {
             return self::translateYearsWithSuffix($timeInfo);
         }
 
         $suffixMode = self::getSuffixModeForYearsWSuffix(\intval($timeInfo['zeit_beginn']) - 1, \intval($timeInfo['zeit_ende']));
 
         if (\trim((string)$timeInfo['zeit_zaehlzeit_tag'], ", .0") === "") {
-            $dateStr = "{$timeInfo['zeit_zaehlzeit_jahr']}-{$timeInfo['zeit_zaehlzeit_monat']}-05 00:00:01";
-            $usecase = self::USECASE_MONTH;
+            $dateStr = "{$timeInfo['zeit_zaehlzeit_jahr']}-{$timeInfo['zeit_zaehlzeit_monat']}-05 12:00:01";
+            $usecase = NodaTimeAutotranslaterUseCase::MONTH;
         }
         else {
-            $dateStr = "{$timeInfo['zeit_zaehlzeit_jahr']}-{$timeInfo['zeit_zaehlzeit_monat']}-{$timeInfo['zeit_zaehlzeit_tag']} 00:00:01";
-            $usecase = self::USECASE_DAY;
+            $dateStr = "{$timeInfo['zeit_zaehlzeit_jahr']}-{$timeInfo['zeit_zaehlzeit_monat']}-{$timeInfo['zeit_zaehlzeit_tag']} 12:00:01";
+            $usecase = NodaTimeAutotranslaterUseCase::DAY;
         }
 
-        $dateGeneral = \strtotime($dateStr);
+        $dateGeneral = new DateTimeImmutable($dateStr);
 
         $output = [];
-        foreach (self::LANGS_TO_LOCALES as $tLang => $locale) {
+        $cases = NodaTimeAutotranslaterLocales::cases();
+        foreach ($cases as $tLang) {
 
-            \setlocale(LC_TIME, $locale);
-            if ($locale !== \setlocale(LC_TIME, "0")) continue;
-            if ($usecase === self::USECASE_MONTH)    $tLangValue = \strftime(getMonthFormatByLang($tLang), $dateGeneral ?: 0);
-            else { # if ($usecase === self::USECASE_DAY)
-                $tLangValue = \strftime(getDateFormatByLang($tLang), $dateGeneral ?: 0);
+            $locale = $tLang->localeIntlDateFormatter();
+
+            $dateGeneral = IntlCalendar::createInstance(locale: $locale);
+            $dateGeneral->set(IntlCalendar::FIELD_YEAR, (int)$timeInfo['zeit_zaehlzeit_jahr']);
+            $dateGeneral->set(IntlCalendar::FIELD_MONTH, (int)$timeInfo['zeit_zaehlzeit_monat'] - 1);
+            if ($usecase === NodaTimeAutotranslaterUseCase::DAY) {
+                $dateGeneral->set(IntlCalendar::FIELD_DAY_OF_MONTH, (int)$timeInfo['zeit_zaehlzeit_tag']);
             }
 
-            $output[$tLang] = self::applyBcBceFormat($tLang, $tLangValue, $suffixMode);
+            $format = match($usecase) {
+                NodaTimeAutotranslaterUseCase::MONTH => $tLang->formatYearMonthForIntlDateFormatter(),
+                default => $tLang->formatFullDateForIntlDateFormatter(),
+            };
+
+            /*
+            \setlocale(LC_TIME, $locale);
+            $tLangValue = self::_formatTimeName($locale, $tLangValue, $dateGeneral);
+            if ($locale !== \setlocale(LC_TIME, "0")) continue;
+             */
+
+            # \setlocale(LC_TIME, $locale);
+            # if ($locale !== \setlocale(LC_TIME, "0")) continue;
+            # $tLangValue = \strftime($format, $dateGeneral ?: 0);
+
+            $fmt = new IntlDateFormatter(
+                $locale,
+                timezone: new DateTimeZone("GMT"),
+                pattern: $format,
+            );
+            if (($tLangValue = $fmt->format($dateGeneral)) === false) continue;
+
+            $output[$tLang->name] = self::applyBcBceFormat($tLang->name, $tLangValue, $suffixMode);
 
         }
 
diff --git a/src/enums/NodaTimeAutotranslaterLocales.php b/src/enums/NodaTimeAutotranslaterLocales.php
new file mode 100644
index 0000000..8b02486
--- /dev/null
+++ b/src/enums/NodaTimeAutotranslaterLocales.php
@@ -0,0 +1,494 @@
+<?PHP
+ /**
+  * Lists locales for autotranslations and provides suitable formats.
+  *
+  * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+  */
+ declare(strict_types = 1);
+
+enum NodaTimeAutotranslaterLocales {
+    case ar;
+    case de;
+    case en;
+    case es;
+    case fa;
+    case fr;
+    case hu;
+    case id;
+    case it;
+    case ja;
+    case ka;
+    case ko;
+    case pl;
+    case pt;
+    case ro;
+    case ru;
+    case ta;
+    case tl;
+    case tr;
+    case zh;
+
+    /**
+     * Returns an instance of this from a string.
+     *
+     * @param string $lang Language code to create enum from.
+     *
+     * @return static
+     */
+    public static function fromString(string $lang):static {
+
+        return match($lang) {
+            'ar' => static::ar,
+            'de' => static::de,
+            'en' => static::en,
+            'es' => static::es,
+            'fa' => static::fa,
+            'fr' => static::fr,
+            'hu' => static::hu,
+            'id' => static::id,
+            'it' => static::it,
+            'ka' => static::ka,
+            'ko' => static::ko,
+            'pl' => static::pl,
+            'pt' => static::pt,
+            'ro' => static::ro,
+            'ru' => static::ru,
+            'ta' => static::ta,
+            'tl' => static::tl,
+            'tr' => static::tr,
+            'ja' => static::ja,
+            'zh' => static::zh,
+        };
+
+    }
+
+    /**
+     * Returns the locale as used by strftime.
+     *
+     * @return string
+     */
+    public function localeStrftime():string {
+
+        return match($this) {
+            self::ar => 'ar_SY.utf8',
+            self::de => 'de_DE.utf8',
+            self::en => 'en_US.utf8',
+            self::es => 'es_ES.utf8',
+            self::fa => 'fa_IR.UTF-8',
+            self::fr => 'fr_FR.utf8',
+            self::hu => 'hu_HU.utf8',
+            self::id => 'id_ID.utf8',
+            self::it => 'it_IT.utf8',
+            self::ka => 'ka_GE.UTF-8',
+            self::ko => 'ko_KR.UTF-8',
+            self::pl => 'pl_PL.utf8',
+            self::pt => 'pt_BR.utf8',
+            self::ro => 'ro_RO.UTF-8',
+            self::ru => 'ru_RU.UTF-8',
+            self::ta => 'ta_IN.UTF-8',
+            self::tl => 'tl_PH.utf8',
+            self::tr => 'tr_TR.utf8',
+
+            // Languages that don't really need a specific locale
+            self::ja => 'en_US.utf8',
+            self::zh => 'en_US.utf8',
+        };
+
+    }
+
+    /**
+     * Returns the locale as used by IntlDateFormatter.
+     *
+     * @return string
+     */
+    public function localeIntlDateFormatter():string {
+
+        return match($this) {
+            self::ar => 'ar-SY',
+            self::de => 'de-DE',
+            self::en => 'en-US',
+            self::es => 'es-ES',
+            self::fa => 'fa-IR',
+            self::fr => 'fr-FR',
+            self::hu => 'hu-HU',
+            self::id => 'id-ID',
+            self::it => 'it-IT',
+            self::ka => 'ka-GE',
+            self::ko => 'ko-KR',
+            self::pl => 'pl-PL',
+            self::pt => 'pt-BR',
+            self::ro => 'ro-RO',
+            self::ru => 'ru-RU',
+            self::ta => 'ta-IN',
+            self::tl => 'tl-PH',
+            self::tr => 'tr-TR',
+
+            // Languages that don't really need a specific locale
+            self::ja => 'en-US',
+            self::zh => 'en-US',
+        };
+
+    }
+
+    /**
+     * Returns the common era format for a given language.
+     *
+     * @return string
+     */
+    public function eraFormatCeForSprintf():string {
+
+        return match($this) {
+            self::ar => '%s',
+            self::de => '%s n. Chr.',
+            self::en => '%s CE',
+            self::es => '%s d.C.',
+            self::fa => '%s',
+            self::fr => '%s ap. J.-C.',
+            self::hu => '%s',
+            self::id => '%s M.',
+            self::it => '%s d.C.',
+            self::ka => '%s წ',
+            self::ko => '%s',
+            self::pl => '%s n.e.',
+            self::pt => '%s dC',
+            self::ro => '%s',
+            self::ru => '%s',
+            self::ta => '%s பொ.ச.',
+            self::tl => '%s AD',
+            self::tr => '%s',
+            self::ja => '西暦%s',
+            self::zh => '%s',
+        };
+
+    }
+
+    /**
+     * Returns the before common era format for a given language.
+     *
+     * @return string
+     */
+    public function eraFormatBceForSprintf():string {
+
+        return match($this) {
+            self::ar => '-%s',
+            self::de => '%s v. Chr.',
+            self::en => '%s BC',
+            self::es => '%s a.C.',
+            self::fa => '-%s',
+            self::fr => '%s av. J.-C.',
+            self::hu => 'Kr. e. %s',
+            self::id => '%s SM',
+            self::it => '%s a.C.',
+            self::ka => 'ძვ. წ. %s წ',
+            self::ko => '기원전%s',
+            self::pl => '%s pne',
+            self::pt => '%s AC',
+            self::ro => '%s î.Hr.',
+            self::ru => '%s г. до н.э.',
+            self::ta => 'கிமு %s',
+            self::tl => '%s BC',
+            self::tr => 'MÖ %s',
+
+            // Languges that don't really need a specific locale
+            self::ja => '紀元前%s',
+            self::zh => '公元前%s',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for a single year in the current language.
+     *
+     * @return string
+     */
+    public function formatSingleYearForSprintf():string {
+
+        return match($this) {
+            self::ar => '%s',
+            self::de => '%s',
+            self::en => '%s',
+            self::es => '%s',
+            self::fa => '%s',
+            self::fr => '%s',
+            self::hu => '%s',
+            self::id => '%s',
+            self::it => '%s',
+            self::ka => '%s',
+            self::ko => '%s년',
+            self::pl => '%s',
+            self::pt => '%s',
+            self::ro => '%s',
+            self::ru => '%s',
+            self::ta => '%s',
+            self::tl => '%s',
+            self::tr => '%s',
+            self::ja => '%s年',
+            self::zh => '%s年',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for a timespan of several years in the current language.
+     *
+     * @return string
+     */
+    public function formatYearspanForSprintf():string {
+
+        return match($this) {
+            self::ar => '%s-%s',
+            self::de => '%s-%s',
+            self::en => '%s-%s',
+            self::es => '%s-%s',
+            self::fa => '%s-%s',
+            self::fr => '%s-%s',
+            self::hu => '%s-%s',
+            self::id => '%s-%s',
+            self::it => '%s-%s',
+            self::ka => '%s-%s',
+            self::ko => '%s년-%s년',
+            self::pl => '%s-%s',
+            self::pt => '%s-%s',
+            self::ro => '%s-%s',
+            self::ru => '%s-%s',
+            self::ta => '%s-%s',
+            self::tl => '%s-%s',
+            self::tr => '%s-%s',
+            self::ja => '%s年から%s年',
+            self::zh => '%s年至%s年',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for formatting a full date (Y-m-d) in a given language
+     * using strftime.
+     *
+     * @return string
+     */
+    public function formatFullDateForStrfttime():string {
+
+        return match($this) {
+            self::ar => '%d/%m/%Y',
+            # self::be => '%d.%B.%Y',
+            # self::bg => '%Y-%B-%d',
+            # self::ca => '%d/%m/%Y',
+            # self::cs => '%d.%B.%Y',
+            # self::da => '%d-%m-%Y',
+            self::de => '%d.%m.%Y',
+            # self::el => '%d/%B/%Y',
+            self::en => '%B %d, %Y',
+            self::es => '%d/%m/%Y',
+            # self::et => '%d.%m.%Y',
+            self::fa => '%d/%m/%Y',
+            # self::fi => '%d.%B.%Y',
+            self::fr => '%d/%m/%Y',
+            # self::ga => '%d/%m/%Y',
+            # self::hr => '%d.%m.%Y',
+            self::hu => '%Y. %B %d.',
+            self::id => '%d %B %Y',
+            # self::in => '%d/%m/%Y',
+            # self::is => '%d.%B.%Y',
+            self::it => '%d/%m/%Y',
+            # self::iw => '%d/%m/%Y',
+            self::ja => '%Y年%m月%d日',
+            self::ka => '%d.%m.%Y',
+            self::ko => '%Y년 %m월 %d일',
+            # self::lt => '%Y.%B.%d',
+            # self::lv => '%Y.%d.%B',
+            # self::mk => '%d.%B.%Y',
+            # self::ms => '%d/%m/%Y',
+            # self::mt => '%d/%m/%Y',
+            # self::nl => '%d-%B-%Y',
+            # self::no => '%d.%m.%Y',
+            self::pl => '%d.%m.%Y',
+            self::pt => '%d/%m/%Y',
+            self::ro => '%d.%m.%Y',
+            self::ru => '%d.%m.%Y',
+            # self::sk => '%d.%B.%Y',
+            # self::sl => '%d.%B.%Y',
+            # self::sq => '%Y-%m-%d',
+            # self::sr => '%d.%B.%Y.',
+            # self::sv => '%Y-%m-%d',
+            self::ta => '%d-%m-%Y',
+            self::tl => '%Y-%m-%d',
+            self::tr => '%d.%m.%Y',
+            # self::uk => '%d.%m.%Y',
+            # self::vi => '%d/%m/%Y',
+            self::zh => '%Y年%m月%d日',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for formatting a full date (Y-m-d) in a given language
+     * using IntlDateFormatter.
+     *
+     * @return string
+     */
+    public function formatFullDateForIntlDateFormatter():string {
+
+        return match($this) {
+            self::ar => 'dd/MM/Y',
+            # self::be => '%d.%B.%Y',
+            # self::bg => '%Y-%B-%d',
+            # self::ca => '%d/%m/%Y',
+            # self::cs => '%d.%B.%Y',
+            # self::da => '%d-%m-%Y',
+            self::de => 'dd.MM.Y',
+            # self::el => '%d/%B/%Y',
+            self::en => 'MMMM d, Y',
+            self::es => 'dd/MM/Y',
+            # self::et => '%d.%m.%Y',
+            self::fa => 'dd/MM/Y',
+            # self::fi => '%d.%B.%Y',
+            self::fr => 'dd/MM/Y',
+            # self::ga => '%d/%m/%Y',
+            # self::hr => '%d.%m.%Y',
+            self::hu => 'Y. MMMM dd.',
+            self::id => 'dd MMMM dd',
+            # self::in => '%d/%m/%Y',
+            # self::is => '%d.%B.%Y',
+            self::it => 'dd/MM/Y',
+            # self::iw => '%d/%m/%Y',
+            self::ja => 'Y年MM月dd日',
+            self::ka => 'dd.MM.Y',
+            self::ko => 'Y년 MM월 dd일',
+            # self::lt => '%Y.%B.%d',
+            # self::lv => '%Y.%d.%B',
+            # self::mk => '%d.%B.%Y',
+            # self::ms => '%d/%m/%Y',
+            # self::mt => '%d/%m/%Y',
+            # self::nl => '%d-%B-%Y',
+            # self::no => '%d.%m.%Y',
+            self::pl => 'dd.MM.Y',
+            self::pt => 'dd.MM.Y',
+            self::ro => 'dd.MM.Y',
+            self::ru => 'dd.MM.Y',
+            # self::sk => '%d.%B.%Y',
+            # self::sl => '%d.%B.%Y',
+            # self::sq => '%Y-%m-%d',
+            # self::sr => '%d.%B.%Y.',
+            # self::sv => '%Y-%m-%d',
+            self::ta => 'dd-MM-Y',
+            self::tl => 'Y-MM-dd',
+            self::tr => 'dd.MM.Y',
+            # self::uk => '%d.%m.%Y',
+            # self::vi => '%d/%m/%Y',
+            self::zh => 'Y年MM月dd日',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for formatting a year and month (Y-m-d) in a given language
+     * using strftime.
+     *
+     * @return string
+     */
+    public function formatYearMonthForStrfttime():string {
+
+        return match($this) {
+            self::ar => '%m/%Y',
+            # self::be => '%B %Y',
+            # self::bg => '%Y-%B',
+            # self::ca => '%m/%Y',
+            # self::cs => '%B.%Y',
+            # self::da => '%m-%Y',
+            self::de => '%B %Y',
+            # self::el => '%B %Y',
+            self::en => '%B %Y',
+            self::es => '%B %Y',
+            self::fa => '%B %Y',
+            self::fr => '%B %Y',
+            self::hu => '%Y. %B',
+            # self::in => '%m/%Y',
+            # self::is => '%B %Y',
+            self::id => '%B %Y',
+            self::it => '%B %Y',
+            # self::iw => '%m %Y',
+            self::ja => '%Y年%m月',
+            self::ka => '%B %Y',
+            self::ko => '%Y년 %m월',
+            # self::lt => '%Y. %B.',
+            # self::lv => '%Y. %B',
+            # self::mk => '%B %Y',
+            # self::ms => '%m %Y',
+            # self::mt => '%m %Y',
+            # self::nl => '%B %Y',
+            # self::no => '%B %Y',
+            self::pl => '%B %Y',
+            self::pt => '%B %Y',
+            self::ro => '%B %Y',
+            self::ru => '%B %Y',
+            # self::sk => '%B %Y',
+            # self::sl => '%B %Y',
+            # self::sq => '%B %Y',
+            # self::sr => '%B %Y',
+            # self::sv => '%Y-%m',
+            self::ta => '%B %Y',
+            self::tr => '%B %Y',
+            self::tl => '%B %Y',
+            # self::uk => '%m %Y',
+            # self::vi => '%m %Y',
+            self::zh => '%Y年%m月',
+        };
+
+    }
+
+    /**
+     * Returns the appropriate format for formatting a year and month (Y-m-d) in a given language
+     * using IntlDateFormatter.
+     *
+     * @return string
+     */
+    public function formatYearMonthForIntlDateFormatter():string {
+
+        return match($this) {
+            self::ar => 'MM/Y',
+            # self::be => 'MMMM Y',
+            # self::bg => 'Y-MMMM',
+            # self::ca => 'MM/Y',
+            # self::cs => 'MMMM.Y',
+            # self::da => 'MM-Y',
+            self::de => 'MMMM Y',
+            # self::el => 'MMMM Y',
+            self::en => 'MMMM Y',
+            self::es => 'MMMM Y',
+            self::fa => 'MMMM Y',
+            self::fr => 'MMMM Y',
+            self::hu => 'Y. MMMM',
+            # self::in => 'MM/Y',
+            # self::is => 'MMMM Y',
+            self::id => 'MMMM Y',
+            self::it => 'MMMM Y',
+            # self::iw => 'MM Y',
+            self::ja => 'Y年MM月',
+            self::ka => 'MMMM Y',
+            self::ko => 'Y년 MM월',
+            # self::lt => 'Y. MMMM.',
+            # self::lv => 'Y. MMMM',
+            # self::mk => 'MMMM Y',
+            # self::ms => 'MM Y',
+            # self::mt => 'MM Y',
+            # self::nl => 'MMMM Y',
+            # self::no => 'MMMM Y',
+            self::pl => 'MMMM Y',
+            self::pt => 'MMMM Y',
+            self::ro => 'MMMM Y',
+            self::ru => 'MMMM Y',
+            # self::sk => 'MMMM Y',
+            # self::sl => 'MMMM Y',
+            # self::sq => 'MMMM Y',
+            # self::sr => 'MMMM Y',
+            # self::sv => 'Y-MM',
+            self::ta => 'MMMM Y',
+            self::tr => 'MMMM Y',
+            self::tl => 'MMMM Y',
+            # self::uk => 'MM Y',
+            # self::vi => 'MM Y',
+            self::zh => 'Y年MM月',
+        };
+
+    }
+}
diff --git a/src/enums/NodaTimeAutotranslaterStatus.php b/src/enums/NodaTimeAutotranslaterStatus.php
new file mode 100644
index 0000000..c3ace89
--- /dev/null
+++ b/src/enums/NodaTimeAutotranslaterStatus.php
@@ -0,0 +1,20 @@
+<?PHP
+ /**
+  * Lists cases for whether autotranslation is possible, and in which way.
+  *
+  * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+  */
+ declare(strict_types = 1);
+
+enum NodaTimeAutotranslaterStatus {
+    case NOT;
+    case AS_MONTH_DAY;
+    case AS_YEAR_WITH_SUFFIX;
+    case SINCE_START;
+    case UNTIL_END;
+    case ONLY_YEAR;
+    case CENTURY;
+    case DECADE;
+    case TIMESPAN_YEARS;
+    case TIMESPAN_DATES;
+}
diff --git a/src/enums/NodaTimeAutotranslaterSuffixMode.php b/src/enums/NodaTimeAutotranslaterSuffixMode.php
new file mode 100644
index 0000000..13bab26
--- /dev/null
+++ b/src/enums/NodaTimeAutotranslaterSuffixMode.php
@@ -0,0 +1,13 @@
+<?PHP
+ /**
+  * Lists cases for whether autotranslation is possible, and in which way.
+  *
+  * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+  */
+ declare(strict_types = 1);
+
+enum NodaTimeAutotranslaterSuffixMode {
+    case BCE;
+    case ANY;
+    case CE;
+}
diff --git a/src/enums/NodaTimeAutotranslaterUseCase.php b/src/enums/NodaTimeAutotranslaterUseCase.php
new file mode 100644
index 0000000..e002af0
--- /dev/null
+++ b/src/enums/NodaTimeAutotranslaterUseCase.php
@@ -0,0 +1,12 @@
+<?PHP
+ /**
+  * Lists use cases for autotranslations.
+  *
+  * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+  */
+ declare(strict_types = 1);
+
+enum NodaTimeAutotranslaterUseCase {
+    case DAY;
+    case MONTH;
+}
diff --git a/src/inc/datesByCountry.php b/src/inc/datesByCountry.php
index 517a5de..e69de29 100644
--- a/src/inc/datesByCountry.php
+++ b/src/inc/datesByCountry.php
@@ -1,138 +0,0 @@
-<?PHP
-/**
- * This file contains a function for correctly formatting time according to the
- * user's language.
- *
- * @author Joshua Ramon Enslin <joshua@museum-digital.de>
- */
-declare(strict_types = 1);
-
-/**
- * Function getDateFormatByLang returns the common date format in a given
- * country / language.
- *
- * @param string $lang Language code to check.
- *
- * @thanks Michael Connor (https://gist.github.com/mlconnor/1887156) for
- *         compiling the underlying array.
- *
- * @return string
- */
-function getDateFormatByLang(string $lang):string {
-
-    $datesByCountry = [
-      'ar' => '%d/%m/%Y',
-      'be' => '%d.%B.%Y',
-      'bg' => '%Y-%B-%d',
-      'ca' => '%d/%m/%Y',
-      'cs' => '%d.%B.%Y',
-      'da' => '%d-%m-%Y',
-      'de' => '%d.%m.%Y',
-      'el' => '%d/%B/%Y',
-      'en' => '%B %d, %Y',
-      'es' => '%d/%m/%Y',
-      'et' => '%d.%m.%Y',
-      'fa' => '%d/%m/%Y',
-      'fi' => '%d.%B.%Y',
-      'fr' => '%d/%m/%Y',
-      'ga' => '%d/%m/%Y',
-      'hr' => '%d.%m.%Y',
-      'hu' => '%Y. %B %d.',
-      'id' => '%d %B %Y',
-      'in' => '%d/%m/%Y',
-      'is' => '%d.%B.%Y',
-      'it' => '%d/%m/%Y',
-      'iw' => '%d/%m/%Y',
-      'ja' => '%Y年%m月%d日',
-      'ka' => '%d.%m.%Y',
-      'ko' => '%Y년 %m월 %d일',
-      'lt' => '%Y.%B.%d',
-      'lv' => '%Y.%d.%B',
-      'mk' => '%d.%B.%Y',
-      'ms' => '%d/%m/%Y',
-      'mt' => '%d/%m/%Y',
-      'nl' => '%d-%B-%Y',
-      'no' => '%d.%m.%Y',
-      'pl' => '%d.%m.%Y',
-      'pt' => '%d/%m/%Y',
-      'ro' => '%d.%m.%Y',
-      'ru' => '%d.%m.%Y',
-      'sk' => '%d.%B.%Y',
-      'sl' => '%d.%B.%Y',
-      'sq' => '%Y-%m-%d',
-      'sr' => '%d.%B.%Y.',
-      'sv' => '%Y-%m-%d',
-      'ta' => '%d-%m-%Y',
-      'tr' => '%d.%m.%Y',
-      'uk' => '%d.%m.%Y',
-      'vi' => '%d/%m/%Y',
-      'zh' => '%Y年%m月%d日',
-    ];
-    if (!isset($datesByCountry[$lang])) return $datesByCountry["en"];
-
-    return $datesByCountry[$lang];
-
-}
-
-/**
- * Function getDateFormatByLang returns the common date format in a given
- * country / language.
- *
- * @param string $lang Language code to check.
- *
- * @thanks Michael Connor (https://gist.github.com/mlconnor/1887156) for
- *         compiling the underlying array.
- *
- * @return string
- */
-function getMonthFormatByLang(string $lang):string {
-
-    $datesByCountry = [
-      'ar' => '%m/%Y',
-      'be' => '%B %Y',
-      'bg' => '%Y-%B',
-      'ca' => '%m/%Y',
-      'cs' => '%B.%Y',
-      'da' => '%m-%Y',
-      'de' => '%B %Y',
-      'el' => '%B %Y',
-      'en' => '%B %Y',
-      'es' => '%B %Y',
-      'fa' => '%B %Y',
-      'fr' => '%B %Y',
-      'hu' => '%Y. %B',
-      'in' => '%m/%Y',
-      'is' => '%B %Y',
-      'it' => '%B %Y',
-      'iw' => '%m %Y',
-      'ja' => '%Y年%m月',
-      'ka' => '%B %Y',
-      'ko' => '%Y년 %m월',
-      'lt' => '%Y. %B.',
-      'lv' => '%Y. %B',
-      'mk' => '%B %Y',
-      'ms' => '%m %Y',
-      'mt' => '%m %Y',
-      'nl' => '%B %Y',
-      'no' => '%B %Y',
-      'pl' => '%B %Y',
-      'pt' => '%B %Y',
-      'ro' => '%B %Y',
-      'ru' => '%B %Y',
-      'sk' => '%B %Y',
-      'sl' => '%B %Y',
-      'sq' => '%B %Y',
-      'sr' => '%B %Y',
-      'sv' => '%Y-%m',
-      'ta' => '%B %Y',
-      'tr' => '%B %Y',
-      'tl' => '%B %Y',
-      'uk' => '%m %Y',
-      'vi' => '%m %Y',
-      'zh' => '%Y年%m月',
-    ];
-    if (!isset($datesByCountry[$lang])) return $datesByCountry["en"];
-
-    return $datesByCountry[$lang];
-
-}
diff --git a/tests/NodaTimeAutotranslaterTest.php b/tests/NodaTimeAutotranslaterTest.php
index 268d971..c3756cb 100644
--- a/tests/NodaTimeAutotranslaterTest.php
+++ b/tests/NodaTimeAutotranslaterTest.php
@@ -6,7 +6,12 @@
  */
 declare(strict_types = 1);
 use PHPUnit\Framework\TestCase;
+require __DIR__ . "/../src/NodaTimeSplitter.php";
 require __DIR__ . "/../src/NodaTimeAutotranslater.php";
+require __DIR__ . "/../src/enums/NodaTimeAutotranslaterStatus.php";
+require __DIR__ . "/../src/enums/NodaTimeAutotranslaterSuffixMode.php";
+require __DIR__ . "/../src/enums/NodaTimeAutotranslaterUseCase.php";
+require __DIR__ . "/../src/enums/NodaTimeAutotranslaterLocales.php";
 
 /**
  * This script contains tests for the automatic translation class for time names.