cal_from_jd | Functions | PHP

Converts from Julian Day Count to a supported calendar

Syntax

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

Parameters

julian_day

Julian day as integer

calendar

Calendar to convert to

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

Return

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

julian_day calendar | CAL_GREGORIAN

<?

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

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

print_r($return);

?>

Array
(
    [date] => 12/9/2021
    [month] => 12
    [day] => 9
    [year] => 2021
    [dow] => 4
    [abbrevdayname] => Thu
    [dayname] => Thursday
    [abbrevmonth] => Dec
    [monthname] => December
)

julian_day calendar | CAL_JULIAN

<?

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

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

print_r($return);

?>

Array
(
    [date] => 11/26/2021
    [month] => 11
    [day] => 26
    [year] => 2021
    [dow] => 4
    [abbrevdayname] => Thu
    [dayname] => Thursday
    [abbrevmonth] => Nov
    [monthname] => November
)

julian_day calendar | CAL_JEWISH

<?

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

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

print_r($return);

?>

Array
(
    [date] => 4/5/5782
    [month] => 4
    [day] => 5
    [year] => 5782
    [dow] => 4
    [abbrevdayname] => Thu
    [dayname] => Thursday
    [abbrevmonth] => Tevet
    [monthname] => Tevet
)

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
)

Links

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