Mail delivery services operate normally on St. Patrick's Day

St. Patrick's Day is on March 17, 2025, and is not a federal holiday. The United States Postal Service (USPS) will deliver mail as usual, and post offices will remain open. Both UPS and FedEx will also operate normally on St. Patrick's Day. Their next recognized holidays are Easter on April 20 for UPS and Good Friday on April 18 for FedEx. Mail and delivery services will continue without interruption, differing from federal holidays when operations typically pause. The next federal holiday affecting services will be Memorial Day on May 26.