Kmart’s Black Friday 2018 store hours and ad are here! Kmart will open at 6PM on Thanksgiving, their doorbusters will end at 2PM on Black Friday, and stores will close at 10PM on Friday. Check out the ad here. Kmart is a national retailer known for their great deals on toys, homegoods, apparel, and lawn & garden equipment. Join their Shop Your Way Rewards program for even more ways to save, including their $1 Layaway Program. Kmart also offers free in-store pickup on most of their deals, so you can save on shipping costs.