Shabbat before Rosh Chodesh Adar
Haftarah: II Kings 12:1 - 12:17

https://www.hebcal.com/holidays/shabbat-shekalim-2021?utm_source=js&utm_medium=icalendar

Beginning of new Hebrew month of Adar. Adar is the 12th month of the Hebrew year. Corresponds to February or March on the Gregorian calendar
Haftarah: Isaiah 66:1 - 66:24

https://www.hebcal.com/holidays/rosh-chodesh-adar-2021?utm_source=js&utm_medium=icalendar