Yom Kippur is the most important day of the year for the Jewish faith and ends the 10-day period of repentance and reflection known as the "High Holidays," which began with Rosh Hashanah .

But what is Yom Kippur and how is it celebrated? Here's everything you need to know:

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What is Yom Kippur?

Yom Kippur, also known as the Day of Atonement, is a holiday where Jewish people reflect on their sins and ask for forgiveness from God and those they have wronged.

When is Yom Kippur?

Yom Kippur will be observed from sunset on Wednesday, Oct. 1 until after nightfall on Thursday, Oct. 2.

The holiday is held on the 10th day of the year on the Hebrew calendar, with Rosh Hashanah having been the Jewish New Year.

How is Y

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