Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Timestamp → Date
Enter a valid numeric timestamp.
Date → Timestamp
Pick a date and time above.
About the Unix Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to local time, UTC, and ISO 8601, or go the other way from a date to a timestamp. Includes a live updating clock.
Examples
Epoch seconds
1700000000Output
2023-11-14T22:13:20.000ZRelated tools
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ISO 8601 Converter
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Convert dates and durations to and from ISO 8601 format.
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Count business days between two dates, excluding holidays.
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Live countdown to any date and time.
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Explain a 5-field cron expression and list upcoming run times.
Frequently asked questions
Read more
- Timezones, UTC and ISO 8601: dates without bugs
Why 'store dates in UTC' is only half the rule, how ISO 8601 avoids ambiguity, and the daylight saving edge cases that break naive code.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser