Timestamp Converter
Converts between Unix timestamps and dates.
This tool runs on JavaScript. To use it, turn on JavaScript in your browser and reload the page.
THE DATE BEHIND THE NUMBERS.
The Timestamp Converter translates both ways between a Unix timestamp and a readable date. A Unix timestamp is the number of seconds (or milliseconds) that have passed since 1 January 1970 00:00 UTC; it is the most common way of storing dates in databases, log files, API responses and programming languages. Paste a timestamp and you see the date it stands for; pick a date and you see its timestamp.
Whether the timestamp is in seconds or in milliseconds is worked out from the number of digits: 10-digit timestamps are seconds and 13-digit timestamps are milliseconds; you can also pick the unit by hand. The result shows the timestamp in seconds and in milliseconds, the local time in the browser's time zone, the UTC time, the ISO 8601 form, the time zone with its UTC offset and the day of the week. Mixing up local time and UTC is the most common mistake; the tool puts the two side by side. The “Now” button gives you the timestamp of this moment. Everything is worked out in your browser.
From start to finish
- Pick the direction. Timestamp → date, or date → timestamp.
- Enter the value. Paste the timestamp or pick the date and time. The unit is found automatically.
- Copy the result. The local time, UTC and ISO 8601 forms appear; the copy button takes the timestamp in seconds.
Frequently asked questions
What date is 1700000000?
14 November 2023, 22:13:20 UTC. In Turkish time (UTC+3) that makes 15 November 2023, 01:13:20.
How are seconds and milliseconds told apart?
For present-day dates a timestamp in seconds has 10 digits and one in milliseconds has 13. JavaScript uses milliseconds, while Unix and most databases use seconds.
Why does the result look a few hours out?
Local time and UTC are most likely being mixed up. A timestamp is always in UTC; the local time is shown in your computer's time zone.
Is the data I enter sent to the server?
No. This tool runs entirely in your browser; nothing you type or add is sent to the RUPO Studio server. It keeps working while the page is open even if your internet connection drops. No account needed. It is free to use: there is no hourly or daily limit, and we don't make you watch an ad before you see the result.
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