From the sundown that marks the beginning of Yom Kippur until the sundown of the following day, believers forego food and drink, do no work, and repent for misdeeds of the year just past. It is common to perform no work at the beginning and end of the celebration, but the number of days observed in this manner vary. This is unfortunate, as the Festival of Lights deserves honor, attention, and recognition on its own terms and within its own tradition. Work is permitted during Chanukah. This joyous festival is preceded by a day of fasting, and soon gives way to general merrymaking.
Work is permitted on Purim.
This major holiday, which begins on the 15th day of the month of Nisan, honors the delivery of the Jewish people from slavery in Egypt. They were to prepare a special feast in great haste before the departure from Egypt. With no time for bread to rise, the bread at the meal would have to be unleavened. Shavout This holiday celebrates both the spring harvest season and God's gift of the Torah. It takes place on the sixth and seventh days of the month of Sivan, which corresponds to May or June in the secular Gregorian calendar.