Noun
(Judaism) the calendar used by the Jews; dates from 3761 BC (the assumed date of the Creation of the world); a lunar year of 354 days is adjusted to the solar year by periodic leap years
Source: WordNetAccordingly, the basic Hebrew calendar year is one of twelve lunar months alternating between 29 and 30 days: In leap years (such as 5774) an additional month, Adar I (30 days) is added after Shevat, while the regular Adar is referred to as "Adar II." Source: Internet
If so, then Polycarp's martyrdom would have had to occur at least a month after the traditional February 23 dating since according to the Hebrew calendar the earliest time Nisan 14, the date of the Passover, can fall on in any given year is late March. Source: Internet
It is conducted on the evening of the 15th day of Nisan in the Hebrew calendar throughout the world. Source: Internet
That is, months reflect the lunar cycle, but then intercalary months (e.g. "second Adar" in the Hebrew calendar ) are added to bring the calendar year into synchronisation with the solar year. Source: Internet
Now the site of his death has been named for him, and on Thursday night, Rabin Square shone with 25,000 memorial, or candles, to honor the anniversary of his death according to the Hebrew calendar. Source: Internet
In 1000, the Muslim chronologist al-Biruni described all of the modern rules of the Hebrew calendar, except that he specified three different epochs used by various Jewish communities being one, two, or three years later than the modern epoch. Source: Internet