Walmart stores are expected to be open from 6 a.m. to 11 p.m. on MLK Day. Target locations are expected to be open on Monday, with hours varying by store. However, customers should check with their nearest location for specific hours. Costco stores are expected to be open from 10 a.m. to 8:30 p.m. on MLK Day.

Today is Martin Luther King Jr. Day.