unix_timestamp

Description

Syntax

INT UNIX_TIMESTAMP(), UNIX_TIMESTAMP(DATETIME date)

Converting a Date or Datetime type to a UNIX timestamp.

If there are no parameters, the current time is converted into a timestamp.

The parameter needs to be Date or Datetime type.

Any date before 1970-01-01 00:00:00 or after 2038-01-19 03:14:07 will return 0.

See date_format function to get Format explanation.

This function is affected by time zone.

example

1. mysql> select unix_timestamp();
2. +------------------+
3. | unix_timestamp() |
4. +------------------+
5. |       1558589570 |
6. +------------------+

8. mysql> select unix_timestamp('2007-11-30 10:30:19');
9. +---------------------------------------+
10. | unix_timestamp('2007-11-30 10:30:19') |
11. +---------------------------------------+
12. |                            1196389819 |
13. +---------------------------------------+

15. mysql> select unix_timestamp('2007-11-30 10:30-19', '%Y-%m-%d %H:%i-%s');
16. +---------------------------------------+
17. | unix_timestamp('2007-11-30 10:30-19') |
18. +---------------------------------------+
19. |                            1196389819 |
20. +---------------------------------------+

22. mysql> select unix_timestamp('2007-11-30 10:30%3A19', '%Y-%m-%d %H:%i%%3A%s');
23. +---------------------------------------+
24. | unix_timestamp('2007-11-30 10:30%3A19') |
25. +---------------------------------------+
26. |                            1196389819 |
27. +---------------------------------------+

29. mysql> select unix_timestamp('1969-01-01 00:00:00');
30. +---------------------------------------+
31. | unix_timestamp('1969-01-01 00:00:00') |
32. +---------------------------------------+
33. |                                     0 |
34. +---------------------------------------+

keyword

1. UNIX_TIMESTAMP,UNIX,TIMESTAMP