New Delhi, Oct. 1 -- Yom Kippur, also called as the Day of Atonement, is the most sacred day in the Jewish calendar and is deeply respected by Jewish communities throughout the United States. This solemn observance lasts for 25 hours, starting at sunset on October 1 and concluding at nightfall on October 2. During this time, devout Jews participate in fasting, prayer and introspection.

Almost all activity in Israel comes to a halt, including public transportation stops, businesses close, and even Ben Gurion Airport suspends operations. For observant and traditional Jews, the day is centered on fasting and prayer.

It begins at sunset with the Kol Nidre service, and many devote much of the 25-hour period to synagogue worship, introspectio...