Celebrate the joy of Spring arriving
Pesach -30 Passover, the Feast of Unleavened Bread
Shavuot -
Celebrates the giving of the Torah at Mount Sinai
Rosh Hashana - 
The Jewish New Year
Yom Kippur  
Day of Atonement
Sukkot -23 Feast of Tabernacles
Simchat Torah
Day of Celebrating the Torah
Chanukah -
The Festival of Lights