The Jewish calendar with its unique religious customs and observances provides unity, meaning and value to Jewish people throughout the years.

It ensures rhythm and closeness to G-d through specific observances heightening spiritual awareness, and renewing faith through understanding the history of the Jewish people. Each festival has its specific meaning, thus the mood and symbols vary along with of observance.

The most important holy day is the Sabbath a day that renews the bond between G-d and man "In six days He created the heaven and the earth and on the seventh day He rested".

In the Scripts the following holy days are mentioned. The three Pilgrim festivals Passover, Shavuot and Sukkot - which in biblical terms were harvest festivals as well as commemorations of historical events. The days of Solemnity are the New Year (Rosh Hashanah) and the Day of Atonement (Yom Kippur). Work is forbidden on these holy days. In addition, Orthodox Jews observe the holy days (except for the Day of Atonement) for two days. Progressive Judaism limits observance to one day. Work may take place on the post-biblical festivals of Chanukah and Purim, which are the best known and most frequently observed of the many minor festivals.