Unix Timestamp Converter

Both are supported. Auto-detect picks the right one, or you can force seconds or milliseconds.

We show both UTC and your browser's local time zone.

Convert epoch time to a human date and back — in seconds or milliseconds, UTC and local.

Unix timestamp

Unit

Pick a date & time (your local time)

Seconds: —

Milliseconds: —

One timestamp per line. Free plan converts up to 5 lines at once.

Result (ISO, UTC)

How to convert a Unix timestamp

1Paste a Unix timestamp in seconds or milliseconds.

2Read the date in UTC and your local time.

3Or pick a date below to get the matching epoch value.

Is the timestamp in seconds or milliseconds?

Both are supported. Auto-detect chooses based on length, or you can force seconds or milliseconds.

What time zone is used?

We show both UTC and your browser's local time zone, so you can read whichever you need.