속죄일, or the Day of Atonement, is a significant religious observance in Judaism. It occurs on the tenth day of Tishrei, the seventh month of the Jewish calendar. This day is dedicated to repentance, reflection, and seeking forgiveness for sins committed over the past year. On 속죄일, many Jews fast and engage in prayer, often attending synagogue services. The central theme is atonement, where individuals seek to reconcile with God and their community. The rituals include the recitation of special prayers, such as the Vidui, and the sounding of the Shofar to mark the end of the fast.