Here's a look at what major retailers have said about their hours for Black Friday:
Barnes & Noble
Barnes & Noble stores will be open from 8 a.m. to 10 p.m. on Black Friday.
Belk opened at 4 p.m. on Thanksgiving Day and will stay open until 1 a.m. Friday. The department store will reopen at 6 a.m. on Friday and remain open until 10 p.m.
Best Buy opened at 5 p.m. on Thanksgiving Day and will stay open until 1 a.m. Friday. Doors reopen that day at 8 a.m. and close at 10 p.m.
Dick's Sporting Goods
Dick's stores opened at 6 p.m. on Thanksgiving and will remain open until 2 a.m. Friday. The stores will reopen at 5 a.m. that day and will remain open until 10 p.m.
On Black Friday, GameStop stores located in strip centers will be open 6 a.m. to 10 p.m. and stores located in malls will be opened during the mall's hours of operation
JCPenney opened at 2 p.m. on Thanksgiving. Its stores will stay open until 10 p.m. the following day.
Kmart stores opened at 6 a.m. on Thanksgiving and will stay open until 10 p.m. on Black Friday. Some stores will close at midnight or 2 a.m. on Friday and reopen at 6 a.m.
Kohl's opened at 5 p.m. on Thanksgiving and will stay open through 11:59 p.m. on Black Friday.
Lowe's stores remained closed on Thanksgiving Day. They will open at 6 a.m. on Black Friday.
Macy's opened most of its full department stores at 5 p.m. on Thanksgiving and will stay open through 2 a.m. Most locations will re-open at 6 a.m. Friday.
Neiman Marcus stores remained closed on Thanksgiving, but will open at 8 a.m. on Black Friday. Closing hours will vary from store to store.
Office Depot and OfficeMax stores didn't open Thanksgiving Day. Instead, doors will open at 7:45 a.m. on Friday.
PetSmart stayed closed on Thanksgiving and will be open on Black Friday from 7 a.m. to 9 p.m. Doorbuster deals will run from open until noon.
Sam's Club opens at 7 a.m. on Black Friday, and the store says sales prices will be valid through that Sunday while supplies last.
Sears says most of its stores will be open from 6 p.m. to midnight on Thanksgiving, though some will be closed for the holiday. All stores will reopen at 5 a.m. on Black Friday.
Target's Black Friday event started at 6 p.m. on Thanksgiving. New this year: Stores will close that night at midnight and reopen Friday at 6 a.m.
Toys "R" Us
Toys "R" Us opened its doors at 5 p.m. on Thanksgiving, and the store will stay open until 11 p.m. Friday.
Walmart's Black Friday sale began at 6 p.m. on Thanksgiving in stores, and it will run all day online. The company is releasing color-coded maps of its stores to help customers find what they are looking for.