SQL CONVERT_TZ() 函数

SQL DATE 函数

CONVERT_TZ()函数 从一个时区转换为另一个时区。

语法

CONVERT_TZ()函数语法如下

CONVERT_TZ(dt,from_tz,to_tz)

说明

CONVERT_TZ() 函数会将日期时间值 dt 从 from_tz 给定的时区转换为 to_tz 给定的时区，并返回结果值。如果参数无效，此函数返回 NULL。

示例

mysql> SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET');
+---------------------------------------------------------+
| CONVERT_TZ('2004-01-01 12:00:00','GMT','MET')           |
+---------------------------------------------------------+
| 2004-01-01 13:00:00                                     |
+---------------------------------------------------------+
1 row in set (0.00 sec)

mysql> SELECT CONVERT_TZ('2004-01-01 12:00:00','+00:00','+10:00');
+---------------------------------------------------------+
| CONVERT_TZ('2004-01-01 12:00:00','+00:00','+10:00')     |
+---------------------------------------------------------+
| 2004-01-01 22:00:00                                     |
+---------------------------------------------------------+
1 row in set (0.00 sec)

SQL DATE 函数