Rosh Chodesh Tevet
December 20
Beginning of new Hebrew month of Tevet. Tevet is the 10th month of the Hebrew year. Corresponds to December or January on the Gregorian calendar
Haftarah: Isaiah 66:1 – 66:24
https://www.hebcal.com/holidays/rosh-chodesh-tevet?utm_source=js&utm_medium=icalendar
