SET TIME ZONE

Description

The SET TIME ZONE command sets the time zone of the current session.

Syntax

SET TIME ZONE LOCAL
SET TIME ZONE 'timezone_value'
SET TIME ZONE INTERVAL interval_literal

Parameters

• LOCAL

  Set the time zone to the one specified in the java user.timezone property, or to the environment variable TZ if user.timezone is undefined, or to the system time zone if both of them are undefined.

• timezone_value

  The ID of session local timezone in the format of either region-based zone IDs or zone offsets. Region IDs must have the form ‘area/city’, such as ‘America/Los_Angeles’. Zone offsets must be in the format ‘(+|-)HH’, ‘(+|-)HH:mm’ or ‘(+|-)HH:mm:ss’, e.g ‘-08’, ‘+01:00’ or ‘-13:33:33’. Also, ‘UTC’ and ‘Z’ are supported as aliases of ‘+00:00’. Other short names are not recommended to use because they can be ambiguous.

• interval_literal

  The interval literal represents the difference between the session time zone to the ‘UTC’. It must be in the range of [-18, 18] hours and max to second precision, e.g. INTERVAL 2 HOURS 30 MINUTES or INTERVAL '15:40:32' HOUR TO SECOND.

Examples

-- Set time zone to the system default.
SET TIME ZONE LOCAL;

-- Set time zone to the region-based zone ID.
SET TIME ZONE 'America/Los_Angeles';

-- Set time zone to the Zone offset.
SET TIME ZONE '+08:00';

-- Set time zone with intervals.
SET TIME ZONE INTERVAL 1 HOUR 30 MINUTES;
SET TIME ZONE INTERVAL '08:30:00' HOUR TO SECOND;

Related Statements

• SET