US Holidays 2027: official calendar and long weekends | K-lendar
TL;DR: 10 official holidays loaded for United States in 2027. 4 fixed dates and 6 movable or observed dates in the current edition. 8 months of the year include at least one holiday in this calendar.
TL;DR
- 10 official holidays loaded for United States in 2027.
- 4 fixed dates and 6 movable or observed dates in the current edition.
- 8 months of the year include at least one holiday in this calendar.
Definition: A holiday calendar is an official guide to non-working days in United States.
Quick summary: This page summarizes official holidays, long weekends, and business-day planning context for United States in 2027.
Citable facts and official source
Numeric summary with context and traceability for quoting this page.
- 10 official holidays are visible for United States in 2027, checked against U.S. OPM - Federal holidays.
- 4 fixed dates and 6 movable or observed dates appear in the current edition; last editorial review: 2026-03-17.
- 8 months of the year include at least one holiday in this edition; institutional reference: U.S. Office of Personnel Management.
- Primary quoted source: "Federal law (5 U.S.C. 6103) establishes the public holidays". Federal guidance for public holidays used in work planning.
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 | Figure calculated from the official United States 2027 calendar published in K-lendar. | U.S. OPM - Federal holidays | U.S. Office of Personnel Management |
| Fixed dates | 4 | Holidays that keep a stable date in the current edition. | U.S. OPM - Federal holidays | U.S. Office of Personnel Management |
| Movable dates | 6 | Movable, observed, or locally adjusted holidays in the current edition. | U.S. OPM - Federal holidays | U.S. Office of Personnel Management |
| Months with holidays | 8 | Months of the year that include at least one official holiday in this edition. | U.S. OPM - Federal holidays | U.S. Office of Personnel Management |
| Editorial review | 2026-03-17 | Last visible editorial review date for this calendar edition. | 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 Holidays 2027: official calendar and long weekends | K-lendar". K-lendar. Last updated 2026-03-17. URL: https://www.k-lendar.com/festivos/usa/2027.
- 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 2027: 10.
- Months with holidays: 8.
- Primary source used: U.S. OPM - Federal holidays.
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 2027?
10 official holidays are loaded for United States in the 2027 calendar currently published by K-lendar.
Which source validates United States holidays?
The calendar is checked against U.S. OPM - Federal holidays and supported by ISO 8601 and IANA references for date normalization.
How are business days calculated on this calendar?
Business days exclude weekends and the official public holidays loaded for the selected country and year.
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: