Question: what are important jewish holidays?
Answer: Rosh Hashanah. The Jewish New Year, the beginning of ten days of penitence or teshuvah culminating on Yom Kippur. ... 
Yom Kippur. The Day of Atonement; a very solemn day devoted to fasting, prayer, and repentance. ... 
Sukkot. ... 
Shemini Atzeret. ... 
Simchat Torah.