The 'Fall' Holy Days come every year in September and/or October on the Roman calendar. Some call them Jewish holidays, but they were kept by Jesus, the apostles, and their early faithful followers. Should you keep them? What does the Bible teach? What do records of church history teach? What does the Bible teach about the Feasts of Trumpets, Atonement, Tabernacles, and the Last Great Day?
A written article of related interest is titled: Did Early Christians Observe the Fall Holy Days?