Post offices will be open and delivering mail on Christmas Eve, despite an executive order declaring it a federal holiday. UPS and FedEx will both be making deliveries on Christmas Eve, though some services may be modified or require prearrangement. Most banks will be open on Christmas Eve, but many will operate with shortened or adjusted hours.

Christmas has arrived, and if you need to make a last-minute run to the grocery store to grab an ingredient or a snack, consumers will not have many options this year.

Walmart stores will be open on Dec. 24; however, stores close at 6 p.m. local time, the company told USA Today.