PHP jdtounix() Function

In this chapter you will learn:

1. Definition for PHP jdtounix() Function
2. Syntax for PHP jdtounix() Function
3. Parameter for PHP jdtounix() Function
4. Return value for PHP jdtounix() Function
5. Example - Convert a Gregorian date to a Julian Day Count; then convert the Julian Day Count to Unix timestamp

Definition

The jdtounix() function converts Julian Day Count to Unix timestamp.

Syntax

PHP jdtounix() Function has the following syntax.

Parameter

• jd - Required. A Julian Day number between 2440588 and 2465342

Return

PHP jdtounix() Function returns the Unix timestamp for the start of the specified Julian day.

Example

Convert a Gregorian date to a Julian Day Count; then convert the Julian Day Count to Unix timestamp:

<?php
$jd=gregoriantojd(10,3,2013);
echo jdtounix($jd);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP jewishtojd() Function
2. Syntax for PHP jewishtojd() Function
3. Parameter for PHP jewishtojd() Function
4. Return Value from PHP jewishtojd() Function
5. Example - Convert a Jewish date to a Julian Day Count

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