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)
- 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 |
Where this information comes from
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