Date to Unix Timestamp
To convert a date to a Unix timestamp, pick the date, time and time zone: ClickZM returns the seconds since 1 January 1970 UTC (and milliseconds), e.g. 1 January 2026 00:00 UTC = 1767225600.
- Free
- No signup
- Runs in your browser
How to use Date to Unix Timestamp
- 1Type or paste your input into the Date to Unix Timestamp.
- 2Choose any options you need.
- 3See the result update instantly.
- 4Copy the result or download it.
Date to Unix Timestamp: questions people ask
Does the time zone matter?
Yes. The same wall-clock time in different zones is a different instant, so it has a different timestamp.
Seconds or milliseconds?
Unix and most APIs use seconds; JavaScript's Date.now() uses milliseconds.
Is my data uploaded when I use the Date to Unix Timestamp?
No. The Date to Unix Timestamp runs entirely in your web browser, so your text and numbers stay on your device and work even on a slow connection.
Does the Date to Unix Timestamp work on iPhone, Android and Mac?
Yes. The Date to Unix Timestamp runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Date to Unix Timestamp free?
Yes. The Date to Unix Timestamp is free with no signup, no watermark and no daily limit.