Day Guide for Thursday September 17th 2026

This is our day guide for Thursday September 17th 2026 which shows you at a glance what's happening around the world on day 260 of 2026.

Holidays on September 17th 2026

Angola: National Heroes' Day. Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.

Regional

Bhutan (regional): Thimphu Drubchen. Celebrated three days before Thimphu Tshechu, this festival dates back to the early 18th century.

Regional

Spain (regional): Day of Melilla. Melilla only. Marks the taking of the city by Duke of Medina Sidonia in 1497

Tonga: Birthday of HRH Crown Prince. The current heir to the throne was born on September 17th 1985

Vatican City: St Robert Bellarmine's Day. A public holiday is observed to mark the current pope's name day.

September 16th 2026 | Go to Today | Holidays for 2026 are not available yet

Observances on September 17th 2026

USA: Constitution Day and Citizenship Day
USA: National Apple Dumpling Day
Honduras: Teachers Day
International: World Patient Safety Day
Belarus: Day of People's Unity
USA: National DEI Day

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