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2023 Downloadable Calendars Coming Soon


September 11

September 11 is the 254th day of the year (255th in leap years) in the Gregorian Calendar. September 11 is the first day of the new year on the Coptic (Alexandrian) calendar and the similar Ethiopian calendar (except in leap years when it is on the gregorian September 12). 

Holidays on this day

Country Upcoming Calendar Dates Fixed Date
Patriot Day United States