For most holidays, yes — Walmart stores stay open. The main exceptions are Thanksgiving Day and Christmas Day, when stores close nationwide. Some holidays may include reduced or modified hours, especially for Walmart pharmacies. Example: Even when stores close on Thanksgiving or Christmas, online ordering remains available 24/7.

Dec. 26–28 for best selection, early January for the deep clearance bargains Chase clearance first: Holiday-only stuff drops

CBS News Atlanta visited a Walmart in Decatur, where employees inside the store's digital backroom on Memorial Drive were racing against the clock to fulfill online orders for customers across metro Atlanta.

Need last-minute holiday essentials? Find out which major retailers like Target have modified hours on Christmas Eve and will close for the holiday.

"H-E-B stores will be open until 8 p.m. on Christmas Eve, closed Christmas Day, and open regular hours the day after Christmas as well as New Year’s Eve and New Year’s Day," they said. Leading up to Christmas, Alamo City locations open at 6 a.m.

Here's an overview on what restaurants, grocery stores and retail stores will be open on Christmas Eve this year.