Question

Syntax

DATETIME CONVERT_TZ(DATETIME dt, VARCHAR from_tz, VARCHAR to_tz)

Description

转换datetime值dt，从 from_tz 由给定转到 to_tz 时区给出的时区，并返回的结果值。 如果参数无效该函数返回NULL。

Example

mysql> select convert_tz('2019-08-01 13:21:03', 'Asia/Shanghai', 'America/Los_Angeles');
+---------------------------------------------------------------------------+
| convert_tz('2019-08-01 13:21:03', 'Asia/Shanghai', 'America/Los_Angeles') |
+---------------------------------------------------------------------------+
| 2019-07-31 22:21:03                                                       |
+---------------------------------------------------------------------------+

mysql> select convert_tz('2019-08-01 13:21:03', '+08:00', 'America/Los_Angeles');
+--------------------------------------------------------------------+
| convert_tz('2019-08-01 13:21:03', '+08:00', 'America/Los_Angeles') |
+--------------------------------------------------------------------+
| 2019-07-31 22:21:03                                                |
+--------------------------------------------------------------------+

keyword

CONVERT_TZ