Holidays begin at sunset of the first day and end at nightfall of the last day.
There are different traditions of Jewish observance and families may observe holidays differently. Holidays marked with an asterisk indicates periods when Jewish students and employees may be absent for either one or two days, depending on their tradition. During eight-day holidays, some may be absent the first two and the last two days of the period. The first of the High Holy Days. This holiday marks the beginning of a ten-day period of penitence and spiritual renewal.