Unix Timestamp Converter

Auto-detect second or millisecond timestamps, inspect date times across time zones, and convert selected local date times back to timestamps.

Useful for checking API timestamps, scheduled jobs, and log offsets. Thirteen digits usually means milliseconds, while ten digits usually means seconds.
Timestamp conversion
Enter a Unix timestamp to detect its unit and produce second and millisecond outputs.

Detected as seconds.

Seconds

1781222400

Milliseconds

1781222400000

Date time to timestamp

Choose a date time and time zone to convert it into second and millisecond timestamps.

Seconds

1781222400

Milliseconds

1781222400000

Time zones
Show the same timestamp as date times in common time zones.

ISO

2026-06-12T00:00:00.000Z

UTC

Fri, 06/12/2026, 00:00:00 UTC

UTCFri, 06/12/2026, 00:00:00 UTC
Asia/TaipeiFri, 06/12/2026, 08:00:00 GMT+8
Asia/TokyoFri, 06/12/2026, 09:00:00 GMT+9
Asia/SingaporeFri, 06/12/2026, 08:00:00 GMT+8
Europe/LondonFri, 06/12/2026, 01:00:00 GMT+1
Europe/BerlinFri, 06/12/2026, 02:00:00 GMT+2
America/New_YorkThu, 06/11/2026, 20:00:00 EDT
America/Los_AngelesThu, 06/11/2026, 17:00:00 PDT
Unix Timestamp Converter | Widget Polymer