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PHP Date & Time Function Manual
The date_timezone_set() function sets the timezone of the DateTime object
date_timezone_set()The function accepts a DateTime object and a timezone object as parameters and sets the specified timezone for the given date and time.
date_timezone_set($object, $timezone)
| Serial number | Parameters and descriptions |
|---|---|
| 1 | object (required) This indicates the DateTime object for which the timezone needs to be set. |
| 2 | timezone (required) This is a TimeZone object representing the timezone you need to set for the DateTime object. |
The date_timezone_set function returns a DateTime object. If it fails, it returns a boolean valuefalse.
This function was originally introduced in PHP version5.2introduced in version 7.2.0 and can be used in all higher versions.
The following examples usedate_timezone_set()and timezone_name_get() function-
<?php
$date = date_create("25-09-1989");
$tz = new DateTimeZone('Asia/Shanghai');
$res = date_timezone_set($date, $tz);
print("Timezone: ".timezone_name_get(date_timezone_get($date)));
?>Test and see‹/›Output result
Timezone: Asia/Shanghai
The following example creates a DateTime object and a timezone, and sets the timezone to another value-
<?php
$date = new DateTime("25-09-1989", new DateTimeZone('Asia/Shanghai'));
$res = date_timezone_set($date, timezone_open("Indian/Kerguelen"));
print("Timezone: ".timezone_name_get(date_timezone_get($date)));
?>Test and see‹/›Output result
Timezone: Indian/Kerguelen
<?php
$dateSrc = '2007-04-19 12:50 GMT';
$dateTime = date_create($dateSrc);
$DateTimeZone = timezone_open('Asia/Shanghai');
date_timezone_set($dateTime, $DateTimeZone);
$NewDateTimeZone = date_timezone_get($dateTime);
echo 'The new timezone is '. timezone_name_get($NewDateTimeZone);
echo "\n";
# Use the second function.
$dateTime = new DateTime($dateSrc);
$DateTimeZone = timezone_open('Asia/Shanghai');
$dateTime-setTimezone($DateTimeZone);
$NewDateTimeZone = $dateTime;-getTimezone();
echo 'The new timezone is '. timezone_name_get($NewDateTimeZone);
?>Test and see‹/›Output result:
The new timezone is America/Chicago The new timezone is America/Chicago