(PHP 5 >= 5.5.0, PHP 7, PHP 8)
DateTimeImmutable::setTimezone — Sets the time zone
Returns a new DateTimeImmutable object with a new timezone set.
timezoneA DateTimeZone object representing the desired time zone.
Returns a new modified DateTimeImmutable object for method chaining. The underlaying point-in-time is not changed when calling this method.
示例 #1 DateTimeImmutable::setTimeZone() example
面向对象风格
<?php
$date = new DateTimeImmutable('2000-01-01', new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
$newDate = $date->setTimezone(new DateTimeZone('Pacific/Chatham'));
echo $newDate->format('Y-m-d H:i:sP') . "\n";
?>以上示例会输出：
2000-01-01 00:00:00+12:00 2000-01-01 01:45:00+13:45