Kol Nidrei 6:35 PM (Sun Sept 20). Monday Sept 21: morning services 10:00 AM, Yizkor 11:45 AM, Mincha 5:30 PM, Neilah 6:30 PM, shofar and fast ends approximately 7:30 PM, break-fast following. Advance registration requested at hiddenhillschabad.com/HighHolidays