(PHP 5 >= 5.2.0, PHP 7)
DateTime::setTimezone -- date_timezone_set — Sets the time zone for the DateTime object
Object oriented style
public DateTime::setTimezone ( DateTimeZone $timezone ) : DateTime
Procedural style
date_timezone_set ( DateTime $object , DateTimeZone $timezone ) : DateTime
Sets a new timezone for a DateTime object.
object
Procedural style only: A DateTime object returned by date_create(). The function modifies this object.
timezone
A DateTimeZone object representing the desired time zone.
Returns the DateTime object for method chaining or false on failure.
Example #1 DateTime::setTimeZone() example
Object oriented style
<?php
$date = new DateTime('2000-01-01', new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
$date->setTimezone(new DateTimeZone('Pacific/Chatham'));
echo $date->format('Y-m-d H:i:sP') . "\n";
?> Procedural style
<?php
$date = date_create('2000-01-01', timezone_open('Pacific/Nauru'));
echo date_format($date, 'Y-m-d H:i:sP') . "\n";
date_timezone_set($date, timezone_open('Pacific/Chatham'));
echo date_format($date, 'Y-m-d H:i:sP') . "\n";
?> The above examples will output:
2000-01-01 00:00:00+12:00 2000-01-01 01:45:00+13:45
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https://www.php.net/manual/en/datetime.settimezone.php