diff --git a/l18n b/l18n
index 69d86e4..8313264 160000
--- a/l18n
+++ b/l18n
@@ -1 +1 @@
-Subproject commit 69d86e4bf56528e9e1ddc8e4330a9f7c0b3d4880
+Subproject commit 8313264c585b13440f67b5922b918ba8198d24a5
diff --git a/src/enums/MDTimingInterval.php b/src/enums/MDTimingInterval.php
new file mode 100644
index 0000000..6645ede
--- /dev/null
+++ b/src/enums/MDTimingInterval.php
@@ -0,0 +1,101 @@
+<?PHP
+/**
+ * Represents timing intervals for autogenerated exports etc.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Represents timing intervals for autogenerated exports etc.
+ */
+enum MDTimingInternal implements MDValueEnumInterface, JsonSerializable {
+
+    case weekly;
+    case monthly;
+    case annual;
+
+    /**
+     * Returns a value of this type based on a string.
+     *
+     * @param string $input Input to get a value from.
+     *
+     * @return MDTimingInternal
+     */
+    public static function fromString(string $input):MDTimingInternal {
+
+        return match($input) {
+            'weekly' => self::weekly,
+            'monthly' => self::weekly,
+            'annual' => self::weekly,
+            default => throw new MDpageParameterNotFromListException("Unknown timing interval: " . $input),
+        };
+
+    }
+
+    /**
+     * Lists all available names.
+     *
+     * @return array<string>
+     */
+    public static function caseNames():array {
+
+        $output = [];
+
+        $cases = self::cases();
+        foreach ($cases as $case) {
+            $output[] = $case->name;
+        }
+
+        return $output;
+
+    }
+
+    /**
+     * Gets an unsorted list of the entries in a translated version.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return array<string, string>
+     */
+    public static function getUnsortedList(MDTlLoader $tlLoader):array {
+        return MDValueSet::getTlUnsortedList($tlLoader, self::caseNames(), "timing_intervals_set", "timing_intervals_set");
+
+    }
+
+    /**
+     * Gets a sorted list of the entries in a translated version.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return array<string, string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader):array {
+        return MDValueSet::getTlSortedList($tlLoader, self::caseNames(), "timing_intervals_set", "timing_intervals_set");
+
+    }
+
+    /**
+     * Returns the name of the current value in translation.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return string
+     */
+    public function getTledName(MDTlLoader $tlLoader):string {
+
+        return $tlLoader->tl("timing_intervals_set", "timing_intervals_set", $this->name);
+
+    }
+
+    /**
+     * Provides the option to serialize as a string during json_encode().
+     *
+     * @return string
+     */
+    public function jsonSerialize():string {
+
+        return $this->name;
+
+    }
+}