Yom Kippur
(Day of Atonement)

Nine days later, the church observes the Day of Atonement (Leviticus 23:26-32) a day of fasting (Acts 27:9 Amp)  or “afflicting one’s soul, that pictures the time when Satan and forces of evil will be bound at the beginning of Messiah’s coming one thousand-year reign (Revelations 20:1-3). Also take a look at Zechariah 13:2.