Many Jews Will Fast At The Holiest Day Of Their Year,- Yom Kippur is the holiest day of the year. It begins at Sundown on Friday. Jewish people around the world will begin to observe the holiest day of the year in their religion. For 25 hours until Sundown on Saturday, they will refrain from any food and drink, including water.

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Unlike Rosh Hashanah, Yom Kippur is not necessarily joyous and festive, but solemn and reflective. Consequently, it is not customary to greet those observing with “Happy Yom Kippur”. The best greeting to give to someone observing Yom Kippur in English is “have an easy fast”.  For those not fasting, but observing Yom Kippur, you can wish them a “Good Yuntif, or Yom Tov” which is Yiddish and Hebrew, respectively for “Have a good holy day”. A more traditional greeting is “Gmar hatimah tovah” or “Gmar tov” which roughly translates into “a good seal”.

Since Yom Kippur comes so close to Rosh Hashanah, you can say “Shana Tova”, or “Happy New Year”. Additionally Yom Kippur falls on the Sabbath this year so you can wish those in synagogue a “good Shabbos” or “Shabbat Shalom”.