Unix Timestamp Converter
Convert between a numeric epoch time and a readable date for logs, APIs, and debugging.
Popular in this group
Switch tools without re-entering your text.
Loading tool…
About this tool
Unix Timestamp Converter — A Unix timestamp commonly counts seconds since 1970-01-01 00:00:00 UTC. Some systems use milliseconds instead, which changes the value by a factor of one thousand.
Time zones and daylight-saving rules affect displayed local dates, while the timestamp represents an instant. Always confirm units and zone.
How to use it
- Enter a date-time or timestamp.
- Choose the conversion direction and unit.
- Verify UTC, local time, and whether the source uses seconds or milliseconds.
Example
2026-06-30 12:00:00 UTC
1782820800 seconds
The displayed local time may differ according to the device time zone.
Common uses
- Inspect API expiry and creation fields.
- Convert log values during incident analysis.
- Prepare timestamps for test data.
What to know
- Historical and future local times depend on time-zone databases.
- Ambiguous local dates around clock changes need explicit zone handling.
Privacy: The operation runs locally in your browser; your input is not uploaded by this tool.
Frequently Asked Questions
Is a Unix timestamp always in seconds?+
No. Many JavaScript and analytics systems use milliseconds, while many APIs use seconds.
Does a timestamp contain a time zone?+
It identifies an instant; the time zone is applied when formatting that instant for display.
Why is my converted date far in the future?+
A seconds value may have been treated as milliseconds, or vice versa.