unix_timestamp
Description
Syntax
INT UNIX_TIMESTAMP([DATETIME date[, STRING fmt]])
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
mysql> select unix_timestamp();
+------------------+
| unix_timestamp() |
+------------------+
| 1558589570 |
+------------------+
mysql> select unix_timestamp('2007-11-30 10:30:19');
+---------------------------------------+
| unix_timestamp('2007-11-30 10:30:19') |
+---------------------------------------+
| 1196389819 |
+---------------------------------------+
mysql> select unix_timestamp('2007-11-30 10:30-19', '%Y-%m-%d %H:%i-%s');
+---------------------------------------+
| unix_timestamp('2007-11-30 10:30-19') |
+---------------------------------------+
| 1196389819 |
+---------------------------------------+
mysql> select unix_timestamp('2007-11-30 10:30%3A19', '%Y-%m-%d %H:%i%%3A%s');
+---------------------------------------+
| unix_timestamp('2007-11-30 10:30%3A19') |
+---------------------------------------+
| 1196389819 |
+---------------------------------------+
mysql> select unix_timestamp('1969-01-01 00:00:00');
+---------------------------------------+
| unix_timestamp('1969-01-01 00:00:00') |
+---------------------------------------+
| 0 |
+---------------------------------------+keywords
UNIX_TIMESTAMP,UNIX,TIMESTAMP