Timestamp Converter
Timestamp or date
seconds
The date and time are in UTC. Edit either field and the other follows.
Formats
RFC 2822
Mon, 12 Oct 2026 19:43:16 +0000
Atom
2026-10-12T19:43:16+00:00
ISO 8601
2026-10-12T19:43:16+00:00
Relative
0 seconds ago
UTC
2026-10-12 19:43:16 UTC
About the Timestamp Converter
Convert Unix timestamps to readable dates and back again. Enter epoch seconds or pick a date and time in UTC, then copy the moment in RFC 2822, Atom, ISO 8601, relative or plain UTC format.
How to use it
- 1 Type a Unix timestamp in seconds, or pick a Date and time in UTC.
- 2 Watch the other field update to match.
- 3 Copy the format you need from the Formats list.
- 4 Press Reset to now to load the current moment.
Frequently asked questions
The number of seconds since 00:00:00 UTC on 1 January 1970, also called epoch time. It is the same everywhere in the world, which is why computers use it to store moments in time.
No, enter seconds. A 13-digit millisecond timestamp, such as one from JavaScript's Date.now(), is outside the supported range, so divide it by 1,000 first.
Any moment from the year 1 to 31 December 9999, which is −62,135,596,800 to 253,402,300,799 seconds. Negative timestamps are dates before 1970.
UTC. The date field and every format are in Coordinated Universal Time, so add or subtract your own offset for local time.
Both are standard ways to write a date and time. ISO 8601 (2026-10-03T15:47:38+00:00) is used by most APIs and databases, while RFC 2822 (Sat, 03 Oct 2026 15:47:38 +0000) is the format of email headers.