Constitution Day and Citizenship Day
Constitution Day and Citizenship Day on 17 September marks the signing of the US Constitution in 1787 and honours people who have become citizens.
- UK (not marked)
- USA
- Ireland (not marked)
- Canada (not marked)
- Australia (not marked)
- New Zealand (not marked)
- UAE and Gulf (not marked)
- International (not marked)
OrganiserUS Congress (36 U.S.C. chapter 1)
ListingAdded by us from official sources
Last checked19 October 2026
First heldNot known
About the day
Federal law designates 17 September for the observance. Schools that receive federal funding hold lessons on the Constitution around the date.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2027 | Friday 17 September 2027 | USA | Same date every year |
| 2028 | Sunday 17 September 2028 | USA | Same date every year |
| 2029 | Monday 17 September 2029 | USA | Same date every year |
Questions and answers
When is Constitution Day and Citizenship Day 2027?
Constitution Day and Citizenship Day 2027 is on Friday 17 September 2027. It falls on the same date every year.
Who organises Constitution Day and Citizenship Day?
Constitution Day and Citizenship Day is organised by the US Congress (36 U.S.C. chapter 1).
Where is Constitution Day and Citizenship Day marked?
Constitution Day and Citizenship Day is marked in the USA.
Where do these details come from?
We checked these details against one source, including 36 U.S.C. section 106. They were last checked on 19 October 2026.
Where this information comes from
Spotted a mistake? If you run this day, claim it to correct it.