Adar is basically a name of a month which falls in the Hebrew calendar. According to the calendar it is the sixth month in the religious year and according to the civil year on the Hebrew calendar it is the twelfth month. This usually falls as a winter moth, which comprises of 29 days. In the leap year it is preceded by a 30-day intercalary month, which is named after Adar Aleph, Adar Rishon, Adar I or Adar Bet Adar Sheni (Second Adar) or Adar II. According to the Gregorian calendar, Adar I and II takes place somewhere during February–March.
Some of the holidays in the Adar calendar are: Fast of Esther– 13 Adar (II) (or 11 Adar when the 13th falls on Shabbat, e.g. in 2007), Purim– 14 or 15 Adar (II) and Purim Katan– 14 or 15 Adar I.
Some of the holidays in the Adar calendar are: Fast of Esther– 13 Adar (II) (or 11 Adar when the 13th falls on Shabbat, e.g. in 2007), Purim– 14 or 15 Adar (II) and Purim Katan– 14 or 15 Adar I.