ISO8601 → Locale Formatter

Enter an ISO8601 string (e.g. 2025-10-23T08:49:42+02:00) to format it in your system’s locale.

Also try different valid variants of date-time formats as described here

Enter ISO8601 Date/Time:

Result will appear here

Days since 2000 → Locale Date

Enter days since 2000:

Date will appear here