diff --git a/i18n/de/libcosmic.ftl b/i18n/de/libcosmic.ftl
index 3806cc59..7d8dfe93 100644
--- a/i18n/de/libcosmic.ftl
+++ b/i18n/de/libcosmic.ftl
@@ -9,3 +9,24 @@ designers = Designer*innen
 artists = Künstler*innen
 translators = Übersetzer*innen
 documenters = Dokumentierer*innen
+
+# Calendar
+january = Januar { $year }
+february = Februar { $year }
+march = März { $year }
+april = April { $year }
+may = Mai { $year }
+june = Juni { $year }
+july = Juli { $year }
+august = August { $year }
+september = September { $year }
+october = Oktober { $year }
+november = November { $year }
+december = Dezember { $year }
+monday = Mo
+tuesday = Di
+wednesday = Mi
+thursday = Do
+friday = Fr
+saturday = Sa
+sunday = So