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Unix Timestamp Converter

Turn a timestamp from an API or log into a readable date, with UTC and local time side by side.

Enter a timestamp or use the current time.

The same instant, written three ways

Example · midnight on 1 January 2024 in UTC
Unix seconds1704067200
Milliseconds1704067200000
ISO 86012024-01-01T00:00:00.000Z

The result is near 1970 or far in the future

Check the unit expected by the system. This tool treats values with at least 13 integer digits as milliseconds and shorter values as seconds. That is convenient for current dates, but historical millisecond values can be ambiguous.

The hour is different from the API response

Compare the UTC line first. The local line shows the same instant in your device timezone. The date-to-timestamp input also uses your device's local time.

Working with a repeating time instead? Build a cron schedule →