Why are Jews Fasting on the 25th of December? Some historical reflections on the Fast of the 10th of Tevet. Share this:TwitterTumblrFacebookLinkedInEmailRedditLike this:Like Loading... One thought on “Why are Jews Fasting on the 25th of December?” Add yours Henry…Bill Steer – Hebrew Cemetery…Northern Ontario. Greetings. Please check your education email. I would like to reuse the story. Loading... Reply Leave a ReplyCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.