This is our day guide for Friday September 11th 2026 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 2026
International: Keddus Johannes
The Ethiopian calendar is based on the Coptic calendar, which was fixed to the Julian calendar in 25 BC by Emperor Augustus of RomePublic sector only
India (regional): Public Holiday
The Delhi government has declared 11 September 2026 (Friday) as a holiday for all government offices, autonomous bodies and public sector undertakings under the Delhi government.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 SpainSeptember 10th 2026 | Go to Today | September 12th 2026
| Choose a Day |
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| General Information for September 11th 2026 | |
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| There are 3 public holidays today. | |
| Day 254 of 2026 | |
| 111 days left in 2026 | |
| Week 37 of the year | |
| On this Day in History | |
| 1971 - The Egyptian Constitution becomes official. | |
| 1649 - Siege of Drogheda ends: Oliver Cromwell's English Parliamentarian troops take the town and execute its garrison. | |
| 1609 - Henry Hudson discovers Manhattan Island and the indigenous people living there. | |
| 1565 - Ottoman forces retreat from Malta ending the Great Siege of Malta. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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