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# PHP Function date_timezone_set()

## Syntax

void date_timezone_set ( DateTime $object, DateTimeZone $timezone ) void DateTime::setTimezone ( DateTimeZone $timezone )

## Definition and Usage

These functions set the time zone for the DateTime object

The above two functions are equivalent and any of the functions can be used as shown below in the example.

## Paramters

Parameter | Description
--- | ---
object | Required. DateTime object
timezone | Required. Desired time zone in object form

## Return Value

Returns NULL on success or FALSE on failure.

## Example

Following is the usage of this function:

    <?php
       $dateSrc = '2007-04-19 12:50 GMT';
       $dateTime = date_create( $dateSrc);
       $DateTimeZone = timezone_open ( 'America/Chicago' );
       date_timezone_set( $dateTime, $DateTimeZone );
       $NewDateTimeZone = date_timezone_get($dateTime);
       echo 'New timeZone is '. timezone_name_get($NewDateTimeZone);
       echo "\n";

       # Using second function.
       $dateTime = new DateTime($dateSrc);
       $DateTimeZone = timezone_open ( 'America/Chicago' );
       $dateTime->setTimezone( $DateTimeZone );
       $NewDateTimeZone = $dateTime->getTimezone ();
       echo 'New timeZone is '. timezone_name_get ($NewDateTimeZone);
    ?>

This will produce following result:

    New timeZone is America/Chicago
    New timeZone is America/Chicago

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