How many days until Constitution Day and Citizenship Day?
Constitution Day and Citizenship Day is on Thursday, September 17, 2026. There are 27 days left until Constitution Day and Citizenship Day. Constitution Day and Citizenship Day is observed every year on September 17.
Date & Planning Details
Constitution Day and Citizenship Day is observed every year on September 17.
Usually treated as an observance, not a day off.
Constitution Day and Citizenship Day Calendar (2026-2100)
| Year | Date | Day | Days Left | Weekend? |
|---|---|---|---|---|
| 2026 | September 17 | Thu | 27 days | No |
| 2027 | September 17 | Fri | 392 days | No |
| 2028 | September 17 | Sun | 758 days | Yes |
| 2029 | September 17 | Mon | 1123 days | No |
| 2030 | September 17 | Tue | 1488 days | No |
| 2031 | September 17 | Wed | 1853 days | No |
| 2032 | September 17 | Fri | 2219 days | No |
| 2033 | September 17 | Sat | 2584 days | Yes |
| 2034 | September 17 | Sun | 2949 days | Yes |
| 2035 | September 17 | Mon | 3314 days | No |
What is Constitution Day and Citizenship Day?
Constitution Day is observed in the United States on September 17 each year. It marks the date in 1787 when delegates signed the U.S. Constitution in Philadelphia. The day is also linked with Citizenship Day, which recognizes people who have become U.S. citizens.
How People Observe It
Schools, federal agencies, libraries, museums, and civic groups may mark the day with Constitution readings, citizenship lessons, public programs, classroom activities, and educational displays.
History and Background
Constitution Day connects the 1787 signing of the U.S. Constitution with later civic education efforts and the formal recognition of citizenship.
Frequently Asked Questions
When is Constitution Day?
Constitution Day is observed on September 17 every year in the United States.
Is Constitution Day a public holiday?
No. It is a civic observance, not a federal public holiday that closes most workplaces.
Why is Constitution Day on September 17?
September 17 marks the date in 1787 when the U.S. Constitution was signed.
Is Constitution Day the same as Citizenship Day?
In the United States, the date is commonly recognized as Constitution Day and Citizenship Day.
Do schools observe Constitution Day?
Many schools and educational institutions use the date for civics lessons, Constitution activities, and citizenship education.
Constitution Day Timeline
These entries show major calendar and naming milestones connected with the observance.
Delegates signed the United States Constitution on September 17 in Philadelphia.
Congress designated the third Sunday in May as I Am an American Day.
The observance was moved to September 17 and renamed Citizenship Day.
Federal law linked the date with Constitution Day and Citizenship Day.
More Upcoming Days
This countdown uses the selected timezone to keep the live timer and date table consistent.