Question: why is yom kippur the holiest day of the year?
Answer: Yom Kippur is the holiest day of the Jewish year. It's the day of atonement after the Jewish new year, Rosh Hashanah. On this day, Jews ask God for forgiveness for their sins to secure their fate. ... Jews believe the first Yom Kippur occurred after God gave Moses the Ten Commandments at Mount Sinai.