Traditional dress? On Yom Kippur, most people wear white clothes which symbolizes purity, and calls to mind that our sins shall be white as snow. On Yom Kippur people also wear kittel.
Special Activities During Yom Kippur, most people spend their time at a synagogue. They stay there from the early morning to 3:00. They later return at around 5 or 6 PM for afternoon services. When the afternoon services end, they blow the tekiah gedolah, (a shofar).