Statutory Framework of US Federal Holidays (5 U.S.C. § 6103)
In the United States, official public holidays are established by Congress under Title 5, Section 6103 of the United States Code (5 U.S.C. § 6103). While there is technically no "national holiday" that mandates closures for private commercial businesses, the federal statute establishes legal public holidays for all federal government institutions, the Federal Reserve banking system, national financial exchanges (such as the NYSE and NASDAQ), and international commercial contracts.
Currently, there are 11 official federal holidays recognized by law. These holidays fall into two distinct structural categories: fixed-date holidays and floating weekday holidays.
The 11 Official US Federal Holidays Reference Table
| Holiday Name | Official Statutory Rule | Category | Observance Shift Rule |
|---|---|---|---|
| New Year's Day | January 1 | Fixed Calendar Date | Preceding Friday (if Sat) / Following Monday (if Sun) |
| Martin Luther King Jr. Day | Third Monday in January | Floating Monday | Always Monday (no shift needed) |
| Washington's Birthday (Presidents' Day) | Third Monday in February | Floating Monday | Always Monday |
| Memorial Day | Last Monday in May | Floating Monday | Always Monday |
| Juneteenth National Independence Day | June 19 (Enacted 2021) | Fixed Calendar Date | Preceding Friday (if Sat) / Following Monday (if Sun) |
| Independence Day (4th of July) | July 4 | Fixed Calendar Date | Preceding Friday (if Sat) / Following Monday (if Sun) |
| Labor Day | First Monday in September | Floating Monday | Always Monday |
| Columbus Day / Indigenous Peoples' Day | Second Monday in October | Floating Monday | Always Monday |
| Veterans Day | November 11 | Fixed Calendar Date | Preceding Friday (if Sat) / Following Monday (if Sun) |
| Thanksgiving Day | Fourth Thursday in November | Floating Thursday | Always Thursday |
| Christmas Day | December 25 | Fixed Calendar Date | Preceding Friday (if Sat) / Following Monday (if Sun) |
The Uniform Monday Holiday Act & Weekend Observance Rules
In 1968, Congress passed the Uniform Monday Holiday Act, which intentionally shifted several major federal holidays to designated Mondays to provide three-day holiday weekends for workers and prevent disruptions in industrial and financial schedules. When a fixed-date holiday falls on a weekend, 5 U.S.C. § 6103(b) dictates that if the holiday falls on a Saturday, the preceding Friday is the legal public holiday for federal employment and business operations. If it falls on a Sunday, the subsequent Monday is the observed holiday.
Business Day Conventions in Commercial Contracts
In project management, payroll scheduling, and legal contracts (such as Service Level Agreements, court filing deadlines, and real estate escrow contingencies), distinguishing between calendar days and business days is legally essential. Standard legal conventions include:
- Following Business Day: If a contractual payment or notice date lands on a weekend or federal holiday, the obligation automatically shifts to the immediate next business day.
- Modified Following Business Day: The payment shifts to the next business day unless that day falls into the subsequent calendar month, in which case it rolls back to the prior business day.
- Actual/360 and Actual/365: Financial day-count fractions used in US Treasury and commercial lending yield calculations.