Start of month of Adar on the Hebrew calendar

Shabbat before Rosh Chodesh Adar

Shabbat of Remembrance

Celebration of Jewish deliverance as told by Megilat Esther

Fast of Esther

Celebration of Jewish deliverance as told by Megilat Esther

Purim celebrated in Jerusalem and walled cities

Triple Purim; spanning 3 days in Jerusalem and walled cities

Shabbat of the Red Heifer

Shabbat before Rosh Chodesh Nissan

Start of month of Nisan on the Hebrew calendar