Install hebcal by entering the following commands in the terminal:
sudo apt update sudo apt install hebcal
Description:
A Perpetual Jewish Calendar
Hebcal is a program which prints out the days in the Jewish calendar for a given gregorian year. Hebcal is fairly flexible in terms of which events in the Jewish calendar it displays.
Homepage: https://github.com/hebcal/hebcal
Version: 3.5-2.1
Section: universe/utils