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
1959 - Kind of Blue by Miles Davis, the much acclaimed and highly influential best selling jazz recording of all time, is released.
1958 - Vladimir Nabokov's controversial novel Lolita is published in the United States.
1945 - Sukarno and Mohammad Hatta proclaim the independence of Indonesia, igniting the Indonesian National Revolution against the Dutch Empire.
295 BC - The first temple to Venus, the Roman goddess of love, beauty and fertility, is dedicated by Quintus Fabius Maximus Gurges during the Third Samnite War.