There are seven major holidays on the Jewish calendar.

犹太人的年历里有七个重要的节日。

The JewishToJD() function converts a Jewish calendar date to a Julian day count.

函数的作用是：将犹太历转为儒略日计数。

The JDToJewish() function converts a Julian day count to a Jewish calendar date.

函数的作用是：将儒略日计数转为犹太历。

Sivan is the third month of the sacred festival year, and the ninth month of the modern Jewish Calendar year.

夺得的第三个神圣的节日，而第九个现代犹太历年。

Held on the 14th of the month Abib the first month in the Jewish religious calendar.

这一节日在每年的犹太教圣历一月十四日举行。

A HowStuffWorks reader was also kind enough to point out the following: "All Jewish holidays start at sundown the evening before (not at calendar midnight)."

的读者也十分亲切的指出：“所有的犹太节日是从节日前一天的傍晚(而不是历法上的午夜)开始的。”