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Sadikhasan
Sadikhasan

Reputation: 18600

PHP Convert Local time to UTC DateTime

I want to convert my local timezone dateTime to UTC timezone DateTime.

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

Current Output

2016-05-05 18:33:00

But, Problem is do not convert local dateTime to UTC dateTime. It will give output as Local DateTime.

Upvotes: 2

Views: 7292

Answers (3)

Tpojka
Tpojka

Reputation: 7111

Use date helper:

local_to_gmt($time = '');

// $gmt = local_to_gmt(time());

Takes a UNIX timestamp as input and returns it as GMT.

Docs.

Upvotes: 0

MacMac
MacMac

Reputation: 35321

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);

Upvotes: 5

felipsmartins
felipsmartins

Reputation: 13549

If I've understood it well, it should work:

$date = DateTime::createFromFormat('Y-m-d H:i:s', '2016-05-05 18:33:00');
# you could to pass in timezone too
# $date = DateTime::createFromFormat('Y-m-d H:i:s', '2016-05-05 18:33:00',
#     new DateTimeZone('America/Fortaleza'));

var_dump($date->setTimezone(new DateTimeZone('UTC')));

Upvotes: 1

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