Yom Kippur Explained: The Meaning & Traditions! Watch on YouTube Yom Kippur, also known as the Day of Atonement, is the holiest day in the Jewish calendar. In this video, we break down the significance of this sacred day, explore its historical roots, and explain the key customs and rituals associated with it. From fasting and prayer to seeking forgiveness and reflection, learn what makes Yom Kippur a day of deep spiritual meaning for millions of Jews around the world. Whether you're curious about the holiday or looking to deepen your understanding, this guide will take you through the essential traditions and practices of Yom Kippur.