Sunday,  September 20, 2015. How the Messiah is related to the following Jewish feasts: Rosh Hashanah (Feast of Trumpets), which celebrates the beginning of the Jewish Civil year. Yom Kippur (Day of Atonement), which is considered the holiest day of the Jewish year. Sukkot (Feast of Tabernacles/Booths), which recalls 40 years of wandering in the…