For 10 points, worshipers seek God's forgiveness while abstaining and fasting on what Jewish Day of Atonement?
On this day alone, the Kohen Gadol wore white linen robes while pronouncing the Tetragrammaton. Its worship service ends with the Ne'ila and involves reading the Book of Jonah. This day, which features five prayers beginning with the Kol Nidre, takes place on the Tenth of Tishrei, ending the High Holy Days. It occurs five days before Sukkot and nine days after Rosh Hashanah. For 10 points, worshipers seek God's forgiveness while abstaining and fasting on what Jewish Day of Atonement?
On this day alone, the Kohen Gadol wore white linen robes while pronouncing the Tetragrammaton.
{Yom Kippur} [or Day of Atonement before mentioned]