Unix Timestamp Converter
Convert a Unix timestamp (seconds or milliseconds since 1 January 1970 UTC) into a readable date, or turn a date into a timestamp.
UTC
2026-01-01 00:00:00 UTC
Local time
01/01/2026, 00:00:00
Date
1 January 2026
ISO 8601
2026-01-01T00:00:00.000Z
Relative
266.83 days ago
Milliseconds
1,767,225,600,000
How this was worked out
- Step 1Timestamp 1,767,225,600 seconds since 1970-01-01 UTC
- Step 2Converted to milliseconds: 1,767,225,600,000
- Step 3Date: 2026-01-01T00:00:00.000Z
Formula
Date = 1 January 1970 00:00:00 UTC + timestamp seconds
Example
Input
1767225600
Result
2026-01-01 00:00:00 UTC
Frequently asked questions
The number of seconds elapsed since 00:00:00 UTC on 1 January 1970, ignoring leap seconds.
Traditional Unix time is in seconds; JavaScript uses milliseconds. Choose the right unit above.
No. A timestamp is an absolute moment; only the way it is displayed depends on the time zone.
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