United States December 2026 Calendar with Holidays and Important Dates
Explore the December 2026 calendar for the United States to quickly check federal holidays, important national and international dates, observances, and major events all in one place. This calendar helps you plan your month better and stay organized throughout december 2026.
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List of Holidays, Festivals, and Important Dates in December 2026
Check the complete list of federal holidays, festivals, important national and international dates, and major observances in December 2026. This section helps you quickly find key events and plan your month more easily.
December 2026
December 2026 Overview and Key Details
Data Source & Accuracy
1. We cross-check all dates with reliable and authoritative sources to ensure accuracy. However, certain observances, holidays, and events may vary by state, territory, local jurisdiction, or community across the United States.
2. All dates are based on the local time observed in the United States. This calendar includes nationwide holidays as well as selected state-level and cultural observances, which may vary depending on location.