PHP | jddayofweek() Function

PHP jddayofweek() 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 jddayofweek() Function.

The built-in jddayofweek() function returns the day of the week. It can either return an integer or a string depending on the mode.


Following below is the syntax to use this function -

jddayofweek ( $julianday [, $mode] );

Parameter Details

Sr.NoParameter & Description


A julian day number as integer



Defines what to return (integer or string). Mode values −

  • 0 − Default. Returns the day number as an int (0=Sunday, 1=Monday, etc)
  • 1 − Returns a string that contains the day of week (English-Gregorian)
  • 2 − Returns a string that contains the abbreviated day of week (English-Gregorian)

Return Value

This built-in function returns the gregorian weekday as an integer or string.


Try out the below example -

   $jd = cal_to_jd(CAL_GREGORIAN,date("m"),date("d"),date("Y"));


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 PHP jdmonthname() Function.

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