Timestamp Converter
Developer ToolsUnix ↔ Human-readable dates
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History
All history →Timestamp Converter — at a glance
Turn a Unix timestamp into a normal date and time, or turn a date back into a timestamp.
1700000000
Convert
2023-11-14 22:13:20 UTC
ISO: 2023-11-14T22:13:20Z
How to use it — step by step
Developers see numbers like 1700000000 in logs and databases — this makes them readable.
1
Enter timestamp
Paste the Unix number (seconds or milliseconds).
2
Read the date
See UTC, ISO 8601, local time and “how long ago”.
3
Or pick a date
Choose a date and time to get its Unix timestamp.
4
Copy
Copy any format you need.
Pro tips
Small things that make the result better.
✦10 digits = seconds, 13 digits = milliseconds.
✦Unix time counts from 1 January 1970 (UTC).
✦Always store times in UTC and convert to local only for display.
Quick facts
1970the Unix epoch start
10 digitsseconds timestamp
13 digitsmilliseconds timestamp
UTCplus local time shown
Frequently Asked Questions
What is a Unix timestamp?+
It is the number of seconds that have passed since 1 January 1970 00:00:00 UTC.
Seconds or milliseconds?+
If the number has 13 digits it is milliseconds. 10 digits means seconds.
Why does my local time look different?+
Timestamps are UTC. Your local time includes your timezone offset.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.
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