Unix timestamp 0
Seconds since 1970-01-01 00:00:00 UTC.
1970-01-01 00:00:00
Thursday, January 1, 1970 at 00:00:00 UTC. ISO 8601: 1970-01-01T00:00:00Z.
Neighbouring values
| Timestamp | UTC date and time |
|---|---|
| -86400 | 1969-12-31 00:00:00 |
| -3600 | 1969-12-31 23:00:00 |
| -60 | 1969-12-31 23:59:00 |
| 0 | 1970-01-01 00:00:00 |
| 60 | 1970-01-01 00:01:00 |
| 3600 | 1970-01-01 01:00:00 |
| 86400 | 1970-01-02 00:00:00 |
Seconds, milliseconds, or not?
This page interprets 0 as seconds, the POSIX convention and what JavaScript's
Date.now() returns after dividing by 1000. A 13-digit number is milliseconds instead;
multiply by 1000 to get it.