Joann 2020 Black Friday Ad Scan November 22 By Corrie C This post may contain affiliate links. See disclosure policy linked in my footer. Be sure to check out all the Black Friday ad scans as well as sale start times. The JoAnn 2020 Black Friday sale starts on Wednesday (11/25) at 6 am in-store. The Black Friday sale also starts online at 12:01 am ET on Wednesday (11/25). Deals are good between 11/25 and 11/28. Stores are closed on Thanksgiving.