Unix timestamp converter
Paste an epoch or a date. Seconds, milliseconds and microseconds are detected for you. Nothing is uploaded — the whole thing runs in this tab.
Epoch now
0
- Milliseconds
- 0
- UTC
- —
Showing the current time. Type anything above to convert it.
- Local
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- UTC
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- ISO 8601
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- HTTP date
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- Seconds
- —
- Milliseconds
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- Relative
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- Day
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Reference
| Seconds | 10 digits · the plain Unix epoch, used by most APIs and databases |
|---|---|
| Milliseconds | 13 digits · JavaScript Date.now(), Java, Kotlin |
| Microseconds | 16 digits · Postgres internals, Python time.time_ns() / 1000 |
| Negative | Any date before 1 January 1970 counts down from zero |
| 2038 | A signed 32-bit epoch overflows at 2147483647 — 19 January 2038 |