Quick Reference
The PHP juliantojd() function converts a date from the Julian Calendar to a Julian Day Count.
<?php
$jd = juliantojd(6, 20, 2007); // create Julian Day Count
echo $jd . '<br>';
echo jdtojulian($jd); // convert back to a Julian date
?>Output
2454285
6/20/2007Syntax
juliantojd(month, day, year)Parameters
| Parameter | Description |
|---|---|
| month | Specifies the month as a number from 1 to 12 (required) |
| day | Specifies the day as a number from 1 to 31 (required) |
| year | Specifies the year as a number between -4713 and 9999 (required) |
PHP Notes:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.