cal_from_jd

Description
Syntax
Examples
Links

Description

The cal_from_jd of Calendar for PHP converts from Julian Day Count to a supported calendar.

Syntax

cal_from_jd(
    int $julian_day,
    int $calendar
): array

Parameters

calendar

Calendar to convert to

Value	Constant	Description
0	CAL_GREGORIAN	Gregorian Calendar
1	CAL_JULIAN	Julian Calendar
2	CAL_JEWISH	Jewish Calendar
3	CAL_FRENCH	French Revolutionary Calendar

Returns an array containing calendar information like month, day, year, day of week (dow), abbreviated and full names of weekday and month and the date in string form "month/day/year". The day of week ranges from 0 (Sunday) to 6 (Saturday).

Examples

1 · julian_day calendar · CAL_GREGORIAN

<?

$julian_day = unixtojd();
$calendar = CAL_GREGORIAN;

$return = cal_from_jd($julian_day, $calendar);

print_r($return);

Array
(
    [date] => 1/21/2025
    [month] => 1
    [day] => 21
    [year] => 2025
    [dow] => 2
    [abbrevdayname] => Tue
    [dayname] => Tuesday
    [abbrevmonth] => Jan
    [monthname] => January
)

2 · julian_day calendar · CAL_JULIAN

<?

$julian_day = unixtojd();
$calendar = CAL_JULIAN;

$return = cal_from_jd($julian_day, $calendar);

print_r($return);

Array
(
    [date] => 1/8/2025
    [month] => 1
    [day] => 8
    [year] => 2025
    [dow] => 2
    [abbrevdayname] => Tue
    [dayname] => Tuesday
    [abbrevmonth] => Jan
    [monthname] => January
)

3 · julian_day calendar · CAL_JEWISH

<?

$julian_day = unixtojd();
$calendar = CAL_JEWISH;

$return = cal_from_jd($julian_day, $calendar);

print_r($return);

Array
(
    [date] => 4/21/5785
    [month] => 4
    [day] => 21
    [year] => 5785
    [dow] => 2
    [abbrevdayname] => Tue
    [dayname] => Tuesday
    [abbrevmonth] => Tevet
    [monthname] => Tevet
)

4 · julian_day calendar · CAL_FRENCH

<?

$month = 9;
$day = 22;
$year = 1806;

$julian_day = gregoriantojd($month, $day, $year);
$calendar = CAL_FRENCH;

$return = cal_from_jd($julian_day, $calendar);

print_r($return);

Array
(
    [date] => 13/5/14
    [month] => 13
    [day] => 5
    [year] => 14
    [dow] => 1
    [abbrevdayname] => Mon
    [dayname] => Monday
    [abbrevmonth] => Extra
    [monthname] => Extra
)