The united states will observe the 25th anniversary of the Sept. 11, 2001 attacks with ceremonies at memorials, public events and broadcasts across the country on Sept. 11, 2026.
The National September 11 Memorial & Museum in New York said its 25th Anniversary Commemoration program will commence at 8:30 a.m., with the first moment of silence observed at 8:46 a.m., the organization published on its calendar.
Officials at the Flight 93 National Memorial in Shanksville, Pennsylvania, listed a public morning observance on Sept. 11 and described the 25th annual September 11 Observance as free and open to the public on the National Park Service events page.
Broadcasters and outlets provided viewing guides and live coverage of multiple ceremonies; PBS’s NewsHour and CBS News both published guides for how to watch 9/11 remembrance events at the 9/11 memorial sites on Sept. 11, 2026.
Local memorials across the united states also planned observances tied to the national schedule, including municipal and first-responder ceremonies listed on city pages and fire department notices for Sept. 11.
The 9/11 Memorial & Museum calendar page also described public programming through the day and evening events such as the Tribute in Light, while the National Park Service posted the Flight 93 schedule and visitor information for the Shanksville ceremony.
For readers wanting more on specific local observances, see related commemorations including coverage of the Twin Towers remembrance and the Flight 93 memorial in Shanksville from our archive.
Sources for this article are the National September 11 Memorial & Museum calendar and program page, the National Park Service Flight 93 events page, and broadcast guides from PBS and CBS News published ahead of the 25th anniversary ceremonies.
Sources
- National September 11 Memorial & Museum — program start time and first moment of silence details from the 25th Anniversary Commemoration page.
- National Park Service — Flight 93 National Memorial schedule and public observance details from the September 11 events page.
- PBS NewsHour — guide to 25th anniversary events and how to watch memorial ceremonies.
- CBS News — live updates and viewing information for the 25th anniversary commemoration ceremony at the World Trade Center.
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