Unix Timestamp Converter
Convert Unix timestamps (in seconds or milliseconds) to human-readable dates, and convert dates back to Unix epoch time.
Date result
- Local time
- 6/20/2026, 12:27:11 AM
- UTC
- Sat, 20 Jun 2026 00:27:11 GMT
- ISO 8601
- 2026-06-20T00:27:11.000Z
- Unix (s / ms)
- 1781915231 / 1781915231000
Timestamp result
- Unix seconds
- 1781915220
- Unix milliseconds
- 1781915220000
- Local
- 6/20/2026, 12:27:00 AM
- UTC
- Sat, 20 Jun 2026 00:27:00 GMT
How to use
- Paste a Unix timestamp and pick seconds or milliseconds.
- Or pick a local date and time to get its timestamp.
- Copy either result for use in code or shared notes.
Example
1700000000 seconds is 2023-11-14 22:13:20 UTC.
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Frequently asked questions
Calcadian calculators are for general planning and informational use. Please verify critical deadlines, legal, payroll, tax, HR, or official requirements with the relevant authorities or a qualified professional.