About the month of Iyyar: Important facts and figures Lag ba'Omer — 33rd day in the counting of the omer: Speculations on the day's historical roots Celebrating Passover a month late: The biblical provision for a second Passover Celebrating Israel Independence Day — A panorama of prominent figures on Israeli stamps Three Zionist posters   The Jewish calendar: How it is calculated and when it was established The Jewish calendar: Solar/lunar structure The zodiac in Jewish tradition