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PHP | timezone_name_from_abbr() Function

PHP timezone_name_from_abbr() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP timezone_name_from_abbr() Function.

The timezone_name_from_abbr() function is used to get the name of timezone from an abbreviation.


Following below is the syntax to use this function -

timezone_name_from_abbr($abbr, [$gmtoffset[, $isdst]]);

Parameter Details

Sr.NoParameter & Description

abbr (Mandatory)

This is a string value representing the abbreviation for which you need to know the name of the time zone .


gmtOffset (Optional)

This is an integer value representing an offset from GMT in seconds. If a value for this is given then its timezone is searched and returned. If not found first found timezone (according to given abbreviation) is returned.


isdst (Optional)

This is an integer value specifying the daylight saving of the timezone. If value passed for this parameter is 0 it indicates that there is no daylight saving, if it is 1 there is a dalight saving and, if it is 0 the day light saving is not considered.

Return Value

This built-in function returns a string value representing the name of a timezone. In the case of failure, it returns the boolean value false.

PHP Version

This function was first introduced as part of core PHP v 5.2.0 and, it works with all the later versions.


Below example shows the usage of the timezone_name_from_abbr() function -

   $res = timezone_name_from_abbr("PST");   


When the above code is executed, it will produce the following result -



You could also get the timezone name by passing the offset value as follows -

   //setting the timezone
   $res = timezone_name_from_abbr("", 3600, 0);   


When the above code is executed, it will produce the following result -



Try the following example -

echo timezone_name_from_abbr("CET")."\n";
echo timezone_name_from_abbr("", 3600, 0);


When the above code is executed, it will produce the following result -


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the timezone_name_get() Function in PHP.

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