PHP jdmonthname() Function

The PHP jdmonthname() function returns a string containing a month name. The mode parameter of this function specifies which calendar to convert the Julian Day Count to, and what type of month names are to be returned.

Syntax

jdmonthname(julian_day, mode)

Parameters

`julian_day`	`Required.` Specify a Julian day number as integer.
`mode`	`Required.` Specify the calendar mode (see table below).

Calendar modes

Mode	Value	Description	Values
CAL_MONTH_GREGORIAN_SHORT	0	Gregorian - abbreviated	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
CAL_MONTH_GREGORIAN_LONG	1	Gregorian	January, February, March, April, May, June, July, August, September, October, November, December
CAL_MONTH_JULIAN_SHORT	2	Julian - abbreviated	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
CAL_MONTH_JULIAN_LONG	3	Julian	January, February, March, April, May, June, July, August, September, October, November, December
CAL_MONTH_JEWISH	4	Jewish	Tishri, Heshvan, Kislev, Tevet, Shevat, AdarI, AdarII, Nisan, Iyyar, Sivan, Tammuz, Av, Elul
CAL_MONTH_FRENCH	5	French Republican	Vendemiaire, Brumaire, Frimaire, Nivose, Pluviose, Ventose, Germinal, Floreal, Prairial, Messidor, Thermidor, Fructidor, Extra

Return Value

Returns the month name for the given Julian Day and mode.

Exceptions

NA.

Example:

The example below shows the usage of jdmonthname() function.

<?php
//converting a Gregorian date to Julian integer 
$jd = gregoriantojd(10, 2, 2015);
  
//displaying the Julian day integer 
echo "The Julian day integer is: $jd \n";
  
//returning the month name
echo "The month is: ".jdmonthname($jd, 0)."\n";
echo "The month is: ".jdmonthname($jd, 
               CAL_MONTH_GREGORIAN_SHORT)."\n";
?>

The output of the above code will be:

The Julian day integer is: 2457298 
The month is: Oct
The month is: Oct

Example:

Consider one more example where other modes are used with this function.

<?php
//converting a Gregorian date to Julian integer 
$jd = gregoriantojd(10, 2, 2015);
  
//displaying the Julian day integer 
echo "The Julian day integer is: $jd \n";
  
//returning the month name
echo "The month is (mode=0) : ".jdmonthname($jd, 0)."\n";
echo "The month is (mode=1) : ".jdmonthname($jd, 1)."\n";
echo "The month is (mode=4) : ".jdmonthname($jd, 4)."\n";
?>

The output of the above code will be:

The Julian day integer is: 2457298 
The month is (mode=0) : Oct
The month is (mode=1) : October
The month is (mode=4) : Tishri

❮ PHP Calendar Reference