PHP gregoriantojd() Function

In this chapter you will learn:

1. Definition for PHP gregoriantojd() Function
2. Syntax for PHP gregoriantojd() Function
3. Parameter for PHP gregoriantojd() Function
4. Return value for PHP gregoriantojd() Function
5. Example - Convert a Gregorian date to a Julian Day Count and back to a Gregorian date

Definition

The gregoriantojd() function converts a date from the Gregorian Calendar to a Julian Day Count.

Syntax

PHP gregoriantojd() Function has the following syntax.

Parameter

Return

PHP gregoriantojd() Function returns a Julian Day number.

Example

Convert a Gregorian date to a Julian Day Count and back to a Gregorian date:

<?php//from   j a va2s.c  o m
$jd=gregoriantojd(6,20,2013);
echo $jd . "\n";
echo jdtogregorian($jd);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP jddayofweek() Function
2. Syntax for PHP jddayofweek() Function
3. Parameter for PHP jddayofweek() Function
4. Return value for PHP jddayofweek() Function
5. Example - Return the weekday of 21th January, 2013

PHP 5 Predefined Calendar Constants

PHP cal_days_in_month() Function

PHP cal_from_jd() Function

PHP cal_info() Function

PHP cal_to_jd() Function

PHP easter_date() Function

PHP easter_days() Function

PHP frenchtojd() Function

PHP gregoriantojd() Function

PHP jddayofweek() Function

PHP jdmonthname() Function

PHP jdtofrench() Function

PHP jdtogregorian() Function

PHP jdtojewish() Function

PHP jdtojulian() Function

PHP jdtounix() Function

PHP jewishtojd() Function

PHP juliantojd() Function

PHP unixtojd() Function