how long does yom kippur last

Yom Kippur lasts approximately 25 hours. It begins at sunset on one day and concludes at nightfall (sunset of the next day) the following day. The fast observed during Yom Kippur typically lasts about 25 hours without food or drink, starting just before sunset and ending after nightfall the next day. This is considered the holiest day in the Jewish calendar, focused on atonement, prayer, repentance, and reflection.