"Federal law (5 U.S.C. 6103) establishes the public holidays . . . for Federal employees. Please note that most Federal employees work on a Monday through Friday schedule. For these employees, when a holiday falls on a nonworkday – Saturday or Sunday --the holiday usually is observed on Monday (if the holiday falls on Sunday) or Friday (if the holiday falls on Saturday)." "Federal Holidays". U.S. Office of Personnel Management (ภาษาอังกฤษ). สืบค้นเมื่อ January 15, 2022.