What is the Day of Atonement (Yom Kippur)?

The Day of Atonement (Leviticus 23:27-28), also known as Yom Kippur, was the most solemn holy day of all the Israelite feasts and festivals, occurring once a year on the tenth day of Tishri, the seventh month of the Hebrew calendar. On that day, the high priest was to perform elaborate rituals to atone for…