zippydevtoolsDate & Time
Date to Epoch
Convert a readable date or ISO string into an epoch timestamp.
Processed locally
LocalAuto
Input
Date or ISO string
Output
Process the input to see the result here.
Quick examples
Convert an ISO date
Input: 2026-02-09T12:00:00Z
Output: 1770638400
Date to Epoch FAQ
Which date format is recommended?
ISO with timezone (for example, 2026-02-09T12:00:00Z) avoids ambiguity.
Can I enter a date without timezone?
Yes, but parsing depends on the browser and local timezone.
Is output in seconds or milliseconds?
The tool returns epoch in seconds.
What happens with an invalid date?
Conversion fails and the tool returns an error message.
Is the input sent to a server?
No. Conversion happens locally in the browser.
Related workflow links