Timestamp Converter
Convert a Unix timestamp (seconds or milliseconds since 1970-01-01 UTC) into readable dates, or turn a date into its timestamp.
Unix timestamp to date
UTC: Mon, 21 Sep 2026 22:15:38 GMT
ISO 8601: 2026-09-21T22:15:38.000Z
Local: Mon Sep 21 2026 22:15:38 GMT+0000 (Coordinated Universal Time)
Date to Unix timestamp
How to use
- Paste a timestamp to see it as UTC, ISO 8601 and your local time.
- Or pick a date and time to get its timestamp in seconds and milliseconds.
- Use Now for the current epoch time.
Examples
The billion second mark
Input: 1000000000
Output: 2001-09-09 01:46:40 UTC
Frequently asked questions
Seconds or milliseconds?
Both are detected automatically: 10-digit values are treated as seconds, 13-digit as milliseconds.
What timezone is shown?
UTC, ISO 8601 (always UTC) and your device local time, side by side.