JDMonthName

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

JDMonthName — 返回月份的名称

说明

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

返回一个月份名称的字符串，mode参数指定使用哪种历法和月份名称的形式。

**Calendar modes**
Mode	Meaning	Values
0	Gregorian - abbreviated	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
1	Gregorian	January, February, March, April, May, June, July, August, September, October, November, December
2	Julian - abbreviated	Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
3	Julian	January, February, March, April, May, June, July, August, September, October, November, December
4	Jewish	Tishri, Heshvan, Kislev, Tevet, Shevat, AdarI, AdarII, Nisan, Iyyar, Sivan, Tammuz, Av, Elul
5	French Republican	Vendemiaire, Brumaire, Frimaire, Nivose, Pluviose, Ventose, Germinal, Floreal, Prairial, Messidor, Thermidor, Fructidor, Extra

参数

jday: 用来计算的julian天数
calendar: 历法的月份的名字

返回值

根据指定的julian天数和calendar历法参数而得到月份的名称。

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User Contributed Notes 1 note

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marc at linkitdesign dot com ¶

9 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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官方地址：https://www.php.net/manual/en/function.jdmonthname.php

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JDMonthName

说明

参数

返回值

User Contributed Notes 1 note