U.S. observance
How Many Days Until U.S. National Guard Birthday 2026?
Today: · Eastern Time (America/New_York)
Calendar days until U.S. National Guard Birthday
50 days until U.S. National Guard Birthday
U.S. National Guard Birthday is on Sunday, December 13, 2026.
Live countdown to midnight on December 13, 2026
49 days, 18 hours, 25 minutes, 22 seconds remaining
Eastern Time (America/New_York). Countdown days are 24 hours; the calendar-day count above uses local dates.
- Calendar days (signed)
- 50
- Full weeks + days
- 7 weeks + 1 day
- Calendar months + days
- 1 month + 19 days
- Years, months, days
- 0 years, 1 month, 19 days
- Weekdays counted
- 35
- Weekend days counted
- 15
- U.S. business days
- 33
- Observed holiday dates skipped
- 2
What is U.S. National Guard Birthday?
The U.S. National Guard Birthday, December 13, marks the founding of the Guard, the oldest component of the U.S. armed forces.
History of U.S. National Guard Birthday
On December 13, 1636, the General Court of the Massachusetts Bay Colony ordered the colony's militia organized into three permanent regiments, the lineage today's Army National Guard traces back to. The Air National Guard became a separate reserve component in 1947.
U.S. National Guard Birthday today
Guard units in every state and territory hold ceremonies, and leaders issue birthday messages honoring citizen soldiers and airmen who serve both their states and the nation.
Date details
- Category
- U.S. observance
- How the date is set
- Same date every year
- Country / region
- United States
- Actual event date
Annual founding anniversary, not a scheduled ceremony. Source: National Guard
Event date facts
- Weekday
- Sunday
- ISO week / year
- 50 / 2026
- Day of year
- 347
- Quarter
- 4
- Days left in year
- 18
- Leap year
- No
December 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| Target | ||||||
Event dates by year
| Rule year | Actual date | Observed federal closure | Certainty |
|---|---|---|---|
| 2025 | Saturday, December 13, 2025 | — | Same date every year |
| 2026 | Sunday, December 13, 2026 | — | Same date every year |
| 2027 | Monday, December 13, 2027 | — | Same date every year |
| 2028 | Wednesday, December 13, 2028 | — | Same date every year |
| 2029 | Thursday, December 13, 2029 | — | Same date every year |
Quick answers
- What day of the week is December 13, 2026?
- December 13, 2026 is a Sunday.
- Is U.S. National Guard Birthday a federal holiday?
- No. U.S. National Guard Birthday is not a U.S. federal holiday, so federal offices and most businesses stay open.
- What week of the year is December 13, 2026?
- December 13, 2026 is in ISO week 50 of 2026 and is day 347 of the year.
How the U.S. National Guard Birthday date is calculated
- U.S. National Guard Birthday is on December 13 every year. In 2026 that is a Sunday.
- The countdown counts calendar days from today to December 13, 2026. The start date is excluded and the end date is included. Dates use Eastern Time (America/New_York).
- The live countdown runs to midnight at the start of December 13, 2026 in Eastern Time (America/New_York). A countdown day is 24 hours, so a daylight-saving change can make it differ from the calendar-day count by an hour.
- Calculated at 6:34 AM on October 24, 2026.
- U.S. business days exclude Saturday, Sunday and observed nationwide federal closures; individual employer and state schedules are not included.