jdmonthname

(PHP 4, PHP 5, PHP 7, PHP 8)

jdmonthname — Liefert den Monatsnamen

Beschreibung

jdmonthname(int $julian_day, int $mode): string

Gibt eine Zeichenkette zurück, die einen Monatsnamen enthält. mode teilt dieser Funktion mit, in welchen Kalender die julianische Tageszahl umgewandelt werden soll, und welche Art von Monatsnamen zurückgegeben werden sollen.

**Mögliche `mode`-Werte**
Modus	Bedeutung	Werte
`CAL_MONTH_GREGORIAN_SHORT`	Gregorianisch (Abk.)	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
`CAL_MONTH_GREGORIAN_LONG`	Gregorianisch	January, February, March, April, May, June, July, August, September, October, November, December
`CAL_MONTH_JULIAN_SHORT`	Julianisch - (Abk.)	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
`CAL_MONTH_JULIAN_LONG`	Julianisch	January, February, March, April, May, June, July, August, September, October, November, December
`CAL_MONTH_JEWISH`	Jüdisch	Tishri, Heshvan, Kislev, Tevet, Shevat, Adar, AdarI, AdarII, Nisan, Iyyar, Sivan, Tammuz, Av, Elul
`CAL_MONTH_FRENCH`	Französisch revolutionär	Vendemiaire, Brumaire, Frimaire, Nivose, Pluviose, Ventose, Germinal, Floreal, Prairial, Messidor, Thermidor, Fructidor, Extra

Parameter-Liste

jday: Ein Julianischer Tag als Integer.
mode: Der Kalender-Modus (siehe Tabelle weiter oben).

Rückgabewerte

Der Monatsname für den gegebene julianischen Tag im gewünschten mode.

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User Contributed Notes 1 note

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marc at linkitdesign dot com ¶

12 years ago

Regarding the jewish date system. It may be worth noting the following peculiarities, some obvious some not so.
1. Jewish days start at sunset NOT midnight so when converting from a Gregorian date to a Jewish one it might be worth asking if the date/time occurred 'after sunset'.
2. Jewish leap years follow a 19 year cycle which can be calculated like this:
function isJLeapYear($JYear) {
    if ( ((7 * $JYear + 1) % 19) < 7 )
        return true;
    else
        return false;
}
3. During a leap year a new leap-month called "Adar I" is inserted BEFORE the normal month of Adar. 
4. During leap years, Adar is renamed "Adar II". 
5. Adar/Adar II has 29 days
6. Adar I has 30 days
7. Cheshvan & Kislev have between 29 & 30 Days
8. Leap years have between 383 and 385 days. 
8. non-leap years have between 353 and 355 days. 
9 . In a 354-day year, months have alternating 30 and 29 day lengths. 
10. In a 353-day year, the month of Kislev is reduced to 29 days. 
11. In a 355-day year, the month of Cheshvan is increased to 30 days. 
12. Leap years years follow the same pattern, with the addition of the 30-day Adar I as well.

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