US Calendar 2025-2027 | Federal Holidays
TL;DR: 10 official holidays are loaded for United States in 2026. Published coverage currently spans 8 countries and the years 2025, 2026, and 2027. Dates are checked against U.S. OPM - Federal holidays and normalized with ISO 8601.
Definition: K-lendar centralizes official holidays, business days, and vacation-planning context for United States.
Quick summary: Review official dates, identify long weekends, and verify editorial sources for United States across the published 2025-2027 coverage.
TL;DR
- 10 official holidays are loaded for United States in 2026.
- Published coverage currently spans 8 countries and the years 2025, 2026, and 2027.
- Dates are checked against U.S. OPM - Federal holidays and normalized with ISO 8601.
Citable facts and official source
Numeric summary with context and traceability for quoting this page.
- 10 official holidays are loaded for United States in 2026 and checked against U.S. OPM - Federal holidays.
- Published coverage spans 8 countries and the years 2025, 2026, and 2027; last editorial review: 2026-03-17.
- Dates are normalized with ISO 8601 and published with visible institutional source traceability.
Authorized source evidence
"Federal law (5 U.S.C. 6103) establishes the public holidays"
Source document: U.S. OPM - Federal holidays
Institution: U.S. Office of Personnel Management. Federal guidance for public holidays used in work planning.
Editorial review used:
Quick structured data table
| Metric | Value | Context | Source |
|---|---|---|---|
| Loaded holidays | 10 | Official holidays loaded for United States in 2026 within the currently published coverage. | U.S. OPM - Federal holidays | U.S. Office of Personnel Management |
| Countries covered | 8 | Countries with visible editorial coverage and traceable institutional source. | K-lendar editorial coverage |
| Editorial review | 2026-03-17 | Latest visible review date for the published holiday coverage. | K-lendar editorial team |
How to cite this page
Recommended attribution details for quoting this page and its figures.
- Suggested citation: K-lendar editorial team. "US Calendar 2025-2027 | Federal Holidays". K-lendar. Last updated 2026-03-17. URL: https://www.k-lendar.com/usa.
- Institutional source checked for this edition: U.S. OPM - Federal holidays. U.S. Office of Personnel Management.
- When quoting figures from this page, cite both K-lendar and the official institutional source used for validation.
Key figures
- Official holidays loaded for 2026: 10.
- Countries covered with primary sources: 8.
- Published years: 2025, 2026, and 2027.
FAQ: Frequently asked questions
Direct answers to the most common questions about holidays, business days, editorial coverage, and update cadence.
How many official holidays are loaded for United States in 2026?
10 official holidays are loaded for United States in the 2026 calendar currently published by K-lendar.
Which source is used to validate United States holidays?
The calendar is checked against U.S. OPM - Federal holidays and cross-referenced with technical standards such as ISO 8601 for date normalization.
How are business days calculated on K-lendar?
Business days exclude weekends and the official public holidays loaded for the selected country and year.
Which years are currently published for United States?
K-lendar currently publishes visible editorial coverage for United States across 2025, 2026, and 2027.
How often is this calendar reviewed?
The page shows a last updated date of 2026-03-17 and visible changes are reviewed against official sources before publication.
Can this page be used to plan work, travel, or time off?
Yes. It combines the official calendar, business day logic, and vacation-planning context with references for 8 countries currently covered by K-lendar.
Official sources and references
Author and editorial review
Author: K-lendar editorial team
Credentials: Official holiday calendar and labor data curation. Primary-source review, ISO 8601 normalization, and editorial QA for 2025-2027 calendars.
Published:
Last updated: