SET TIME ZONE

Syntax

SET TIME ZONE { time_zone | LOCAL | DEFAULT };

Parameter	Description
time_zone	Specifies the time zone using a valid time zone name, such as “America/New_York” or “Asia/Shanghai”. You can find a list of all possible time_zone values here
LOCAL	Sets the time zone to the system’s local time zone.
DEFAULT	Sets the time zone to the server’s default time zone.

SET TIME ZONE "America/New_York";

SET TIME ZONE LOCAL;

SET TIME ZONE DEFAULT;