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Editorial Team
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Asked: 2026-05-17T16:09:27+00:00

Basically what I need is an script that, when provided with a time and

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Basically what I need is an script that, when provided with a time and a timezone can return the time in another time zone.

My main issues are:

  • Where to get the time offset from GMT from – is there a public database available for this?
  • How to also take into consideration the daylight saving time (DST) differences as well.
  • How to nicely wrap it all up inside an PHP class – or is there such a class already available?
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1 Answer

  1. Editorial Team
    <?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";
?>

    The above examples will output:

    2000-01-01 00:00:00+12:00
2000-01-01 01:45:00+13:45

    found on DateTime Manual on php.net

    EDIT:
    Like Pekka said: The DateTime class exists from 5.2 on and there you first have to find out which of the methods are realy implemented and which one only exist from 5.3 on.

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