Day Guide for Sunday August 10th 2025 What are the holidays on August 10th 2025?

This is our day guide for Sunday August 10th 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 10th 2025

Not a Public Holiday

Brazil: Father's Day

2nd Sunday in August. Not a public holiday

Regional

Nepal (regional): Gaijatra

This is a Hindu festival that honours those who have died during the past year.

Regional

Nicaragua (regional): Ascent of Saint Dominic

At the end of the 19th century, in Managua, the discovery of a small statue of Santo Domingo de Guzmán, led to the creation of two days of traditional holidays to celebrate the patron saint of Nicaragua's capital city.

Observances on August 10th 2025

USA: Herbert Hoover Day

Find out the dates, history and traditions of Herbert Hoover Day

USA: National Lazy Day

We were going to do a big feature on National Lazy Day, but y'know... maybe next year.

USA: National S’mores Day

Find out the dates, history and traditions of National S’mores Day

Brazil: Brazil Father's Day

Father's Day is observed on the second Sunday in August in Brazil

International: International Biodiesel Day

Biodiesel reduces emissions by more than 50 percent compared to petroleum.

International: International Update Your Bio Day

When was the last time you updated any of your social media bios?

Kazakhstan: Abai Day

Honours a famous Kazakh poet from the 19th century.

International: World Lion Day

The main goal of the holiday is to spread information about the problems faced by this big cat and to propose ways to solve them.

International: International Vlogging Day

Find out the dates, history and traditions of International Vlogging Day.

Russia: Builders' Day

Find out the dates, history and traditions of Builders' Day.

August 9th 2025 | Go to Today | August 11th 2025

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General Information for August 10th 2025
There are 3 public holidays today.
Day 222 of 2025
143 days left in 2025
Week 32 of the year
On this Day in History
1990 - The Magellan space probe reaches Venus.
1944 - World War II: American forces defeat the last Japanese troops on Guam.
1519 - Ferdinand Magellan sets sail from Sanlúcar de Barrameda with about 270 men on his expedition to circumnavigate the globe.
1268 - Battle of Tagliacozzo: The army of Charles of Anjou defeats the Ghibellines supporters of Conradin of Hohenstaufen marking the fall of the Hohenstaufen family from the Imperial and Sicilian thrones, and leading to the new chapter of Angevin domination in Southern Italy.