Improved some messages and prepared them for i18n

modules/utils/datetime_utils.py

@@ -0,0 +1,7 @@
+from datetime import datetime
+from zoneinfo import ZoneInfo
+
+
+# TODO Add documentation
+def get_unix_timestamp(date: datetime) -> int:
+    return int((date.replace(tzinfo=ZoneInfo("UTC"))).timestamp())