PHP Convert Datetime to Utc

php convert datetime to UTC

Try the getTimezone and setTimezone, see the example

(But this does use a Class)

UPDATE:

Without any classes you could try something like this:

$the_date = strtotime("2010-01-19 00:00:00");
echo(date_default_timezone_get() . "<br />");
echo(date("Y-d-mTG:i:sz",$the_date) . "<br />");
echo(date_default_timezone_set("UTC") . "<br />");
echo(date("Y-d-mTG:i:sz", $the_date) . "<br />");

NOTE: You might need to set the timezone back to the original as well

PHP Convert Local time to UTC DateTime

You will need to pass the date to strtotime before you change the timezone with date_default_timezone_set. Like so:

date_default_timezone_set('Asia/Calcutta');
$datetime = "2016-05-05 18:33:00";
$asia_timestamp = strtotime($datetime);
echo date_default_timezone_get()."<br>"; // Asia/Calcutta
date_default_timezone_set('UTC');
echo date_default_timezone_get()."<br>"; //UTC
echo $utcDateTime = date("Y-m-d H:i:s", $asia_timestamp);

How to convert UTC datetime into PST datetime in php

Like this.

$utc_date = '2020-07-31T00:00:00.000Z';
$jsDateTS = strtotime($utc_date);
if ($jsDateTS !== false) 
    echo date('Y-m-d H:i:s', $jsDateTS );

Edit: Changed code to include timezone change.

$utc_date = '2020-07-31T00:00:00.000Z';
$timestamp = strtotime($utc_date);
$date = new DateTime();
$date->setTimestamp($timestamp);
$date->setTimezone(new \DateTimeZone('America/Los_Angeles'));
echo $date->format('Y-m-d H:i:s') . "\n";

Working Example.

PHP: Convert Local Time to UTC

You can use DateTime, example bellow:

<?php

$datetime = '08/22/2015 10:56 PM';
$tz_from = 'America/New_York';
$tz_to = 'UTC';
$format = 'Ymd\THis\Z';

$dt = new DateTime($datetime, new DateTimeZone($tz_from));
$dt->setTimeZone(new DateTimeZone($tz_to));
echo $dt->format($format) . "\n";

$minutes = 30;
$dt->add(new DateInterval('PT' . $minutes . 'M'));
echo $dt->format($format) . "\n";

How to convert DateTime in UTC format?

Pretty straightforward using DateTime objects

$string = "2015-03-17T07:46:52+0100";
$dt = new DateTime($string);
$dt->setTimezone(new DateTimeZone('UTC'));
echo $dt->format('Y-m-d H:i:s');

Convert UTC dates to local time in PHP

date() and localtime() both use the local timezone for the server unless overridden; you can override the timezone used with date_default_timezone_set().

http://www.php.net/manual/en/function.date-default-timezone-set.php

http://us3.php.net/manual/en/function.date.php

http://php.net/manual/en/function.localtime.php

Parse a UTC date, output local datetime

You need to change the timezone of the date (using DateTime::setTimeZone()), not the default timezone:

date_default_timezone_set('UTC');
$dt = new DateTime("2021-03-31 23:46:14");
$dt->setTimeZone(new DateTimeZone("Europe/paris")); // change date timezone
echo $dt->format('m/d/Y, H:i:s');

Output:

04/01/2021, 01:46:14

Changing the default timezone affects the new DateTime(), not the format() result.

Convert datetime UTC to local time in PHP

The date string already contains the Zulu timezone. So you need to create a new DateTime object, and then set the new timezone afterwards.

$date = new Datetime('2018-07-03T21:00:00.000Z');
$date->setTimezone(new DateTimeZone('-4.0'));

var_dump($date->format('Y-m-d H:i:s')); // 2018-07-03 17:00:00

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