Day Guide for Wednesday September 17th 2025

This is our day guide for Wednesday September 17th 2025 which shows you at a glance what's happening around the world on day 260 of 2025.

Holidays on September 17th 2025

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

Regional

India (regional): Viswakarma Puja. Vishwakarma Puja is a day of celebration for Vishwakarma, a Hindu god, the divine architect
Nepal: Nepal National Mourning Day. A national mourning day to pay tribute to those killed in the violent anti-government agitation.
Papua New Guinea: Independence Day Holiday. Commemorates the day Papua New Guinea gained its indepence from Australia in 1975

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

September 16th 2025 | Go to Today | September 18th 2025

Observances on September 17th 2025

  • 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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