Day Guide for Monday August 11th 2025

This is our day guide for Monday August 11th 2025 which shows you at a glance what's happening around the world on day 223 of 2025.

Holidays on August 11th 2025

Chad: Independence Day. On 11 August 1960, Chad gained its independence from France

Ecuador: Independence Day. Marks Quito's declaration of independence from Spain in 1809

Grenada: Carnival Monday. This Carnival in August has its roots in the Catholic Carnival observed at the start of Lent

Japan: Mountain Day. A new holiday since 2016, celebrating the nation's mountains. Mountain Day is intended is to provide “opportunities to get familiar with mountains and appreciate blessings from mountains".

Samoa: Father's Day. Father's Day in Samoa is a public holiday on the Monday after the second Sunday in August

Thailand: H.M. Queen Mother's Birthday Holiday. This holiday marks the birthday of the late queen mother of Thailand, Queen Sirikit.

Public sector only

USA (regional): Victory Day. Marks victory over Japan on August 15th 1945. State and local government offices are closed. Federal offices remain open.

Zimbabwe: Heroes' Day. Honours those who gave their lives in Zimbabwe's struggle for independence

August 10th 2025 | Go to Today | August 12th 2025

Observances on August 11th 2025

USA: National Presidential Joke Day
USA: National Raspberry Bombe Day
USA: National Bakewell Tart Day
USA: Hip Hop Celebration Day
International: World Steelpan Day

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