Unix Timestamp to Date Converter
Convert a Unix timestamp (epoch seconds) to a human-readable UTC and local date.
Converting Unix Timestamp to Date
A Unix timestamp counts the seconds since the Unix epoch — 00:00:00 UTC on 1 January 1970. Converting it gives a readable date in UTC, ISO 8601, and your local time.
How to convert Unix Timestamp to Date by hand
- Decide whether the value is in seconds (10 digits) or milliseconds (13 digits).
- Multiply seconds by 1000 to get milliseconds if needed.
- Build a date from the millisecond value and read it in UTC or local time.
Worked example
1700000000 → 2023-11-14T22:13:20.000Z — That is 14 November 2023, 22:13:20 UTC.
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Frequently asked questions
How do I convert Unix Timestamp to Date?
Decide whether the value is in seconds (10 digits) or milliseconds (13 digits). Multiply seconds by 1000 to get milliseconds if needed. Build a date from the millisecond value and read it in UTC or local time. Or just use the converter on this page — it does it instantly. Example: 1700000000 becomes 2023-11-14T22:13:20.000Z.
What is 1700000000 in date?
1700000000 converts to 2023-11-14T22:13:20.000Z. That is 14 November 2023, 22:13:20 UTC.
Is this converter free and private?
Yes — it is free and unlimited, and the conversion runs entirely in your browser, so nothing is uploaded to a server.