Day Guide for Sunday August 17th 2025 What are the holidays on August 17th 2025?

This is our day guide for Sunday August 17th 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 August 17th 2025

Gabon: Independence Day

Marks Gabon's independence from France on August 17th 1960

Regional

India (regional): Karam

A religious tribal festival that gives thanks to Karam Devta for a good harvest

Indonesia: Independence Day

Marks Indonesia's declaration of independence from the Netherlands in 1945

Observances on August 17th 2025

United Kingdom: Cupcake Day

Discover the sweet celebration of Cupcake Day in the UK on August 17th. Learn about the history of these miniature cakes and find fun ways to get involved, from baking your own treats to supporting local bakeries.

USA: National Thrift Shop Day

National Nonprofit Day gives us a moment to pause and reflect on the incredible work nonprofits do every day.

Slovenia: Prekmurje Reunification Day

Marks the return of the region of Prekmurje to Slovenia control in 1919 .

USA: Black Cat Appreciation Day

Find out the dates, history and traditions of Black Cat Appreciation Day.

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General Information for August 17th 2025
There are 3 public holidays today.
Day 229 of 2025
136 days left in 2025
Week 33 of the year
On this Day in History
1945 - August Revolution: Viet Minh led by Ho Chi Minh take power in Hanoi, Vietnam.
1945 - The book Animal Farm, by George Orwell, is first published by Fredric Warburg.
1740 - Pope Benedict XIV, previously known as Prospero Lambertini succeeds Clement XII as the 247th Pope.
1585 - A first group of colonists sent by Sir Walter Ralegh under the charge of Ralph Lane lands in the New World to create Roanoke Colony on Roanoke Island, off the coast of present-day North Carolina.