Day Guide for Thursday September 11th 2025 What are the holidays on September 11th 2025?

This is our day guide for Thursday September 11th 2025 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Holidays on September 11th 2025

International: Ethiopian New Year

The Ethiopian calendar is based on the Coptic calendar, which was fixed to the Julian calendar in 25 BC by Emperor Augustus of Rome

Antigua and Barbuda: National Day of Prayer

To seek God’s divine intervention, guidance and blessings amidst an increase in violent crime.

Regional

Spain (regional): National Day of Catalonia

The day known as 'Festa Nacional de Catalunya' marks September 11th 1714 when Catalan forces were defeated by King Philip V of Spain

Regional

Switzerland (regional): Jeûne genevois

Geneva only. A thanksgiving holiday that was originally a medieval fasting day

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General Information for September 11th 2025
There are 4 public holidays today.
Day 254 of 2025
111 days left in 2025
Week 37 of the year
On this Day in History
2001 - Two hijacked aircraft crash into the World Trade Center in New York City, while a third smashes into The Pentagon in Arlington County, Virginia, and a fourth into a field near Shanksville, Pennsylvania, in a series of coordinated suicide attacks by 19 members of al-Qaeda. Altogether, 2,996 people are killed.
1897 - After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
1852 - The State of Buenos Aires secedes from the Argentine Federal government, rejoining on 17 September 1861. Several places are named Once de Septiembre after this event.
1390 - Lithuanian Civil War (1389–1392): the Teutonic Knights begin a five-week siege of Vilnius.