Constitution Day 2027

Constitution Day 2027 is on Friday, September 17, 2027 320 days away
Observance September 17 Day 260 of 2027 Β· Week 37

There are 320 days until Constitution Day 2027 β€” Friday, September 17, 2027.

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About Constitution Day 2027

Constitution Day 2027 falls on Friday, September 17. It is an observance rather than a public holiday, so businesses, schools and government offices keep regular hours.

Constitution Day and Citizenship Day, September 17, marks the signing of the U.S. Constitution in 1787. It is a federal observance, not a holiday: nothing closes, but schools and agencies that receive federal funds must hold an educational program on the Constitution.

History, state-by-state rules and dates β†’

What's closed: U.S. Post Office (USPS) β€” open; Banks β€” open; Stock market (NYSE, Nasdaq) β€” open; Federal offices β€” open; State and local government β€” open. Full what's-open guide β†’

Constitution Day in other years

YearDateDayObserved
2026September 17, 2026Thursdayβ€”
2027September 17, 2027Fridayβ€”

← Constitution Day 2026 Β· Add to calendar

Holidays after Constitution Day 2027

Other holidays in September 2027

DateDayHolidayType
Sep 6MonLabor DayFederal holiday
Sep 11SatPatriot DayObservance
Sep 12SunNational Grandparents DayObservance
Sep 24FriNative American DayState holiday

Quick facts

Date in 2027
Friday, September 17, 2027
Date rule
September 17 each year; no observed-date shift
Legal status
Federal observance (36 U.S.C. Β§ 106); not a paid holiday
Commemorates
Signing of the U.S. Constitution in Philadelphia, September 17, 1787
Also known as
Citizenship Day; Constitution Day and Citizenship Day
History
I Am an American Day 1940; Citizenship Day 1952; Constitution Week 1956; current name and mandate 2004

Frequently asked questions

What day is Constitution Day in 2027?

Constitution Day 2027 is on Friday, September 17, 2027.

Is Constitution Day a day off in 2027?

Constitution Day is an observance, not a public holiday, so offices, schools and businesses keep normal hours unless they choose otherwise.

How many days until Constitution Day 2027?

There are 320 days until Constitution Day 2027 (September 17, 2027) as of today.