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-2021?utm_source=js&utm_medium=icalendar

Hanukkah, the Jewish festival of rededication. Also known as the Festival of Lights
Haftarah: Zechariah 2:14-4:7

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

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

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