Important Days in August 2025: National and International Dates List

Important Days and Dates in August 2025: August is the eighth month of the year and it brings with it several occasions to celebrate. The month brings so many days and festivals together that it becomes difficult to keep track of all of them. August has several important festivals and days that fall in this month including  Onam, Raksha Bandhan, Independence Day, World Photography Day, World Humanitarian Day, World Mosquito Day, Sadbhavana Diwas, etc.

India is a land of festivals where several events and important days are celebrated with full enthusiasm. It has been seen that several facts from various subjects are asked in the competitive examinations and important days and dates are one of them. Sometimes it becomes difficult to memorize important days and dates. This article will speed up your preparation for various competitive examinations.

From honouring events to joyous celebrations, August offers a unique opportunity to connect with the shared human experience. Whether it's honouring the resilience of survivors, advocating for a cause, or simply enjoying cultural traditions, this month invites us to participate in a global conversation.

The complete list of Important Days and Dates in August 2025 is given below. All the days have their own significance. Some days are observed with a particular theme.

List of Important Days and Dates in August 2025

1 August - National Mountain Climbing Day

Every year on 1st August National Mountain Climbing Day is observed. It is said that the day was established in honour of the author's son, Bobby Mathews, and his friend Josh Madigan, for successfully climbing the 46 High Peaks of New York State's Adirondack Mountains.

1 August – Yorkshire Day

Yorkshire Day is celebrated every year on 1st August. It is the UK's largest country. This day is celebrated to honour everything about the history of the country to its most memorable residents.

1 August- World Lung Cancer Day

World Lung Cancer Day is observed annually. The goal of Lung Cancer Day is to raise awareness about the risks, prevention, and early detection of lung cancer, while also providing support to those affected by the disease.

1 August- World Wide Web Day

World Wide Web Day is observed on August 1 globally. The day honours and acknowledges the founder of the Internet, Tim Berners-Lee. This date is considered the birth of the modern internet. 

3 August- National Watermelon Day

National Watermelon Day on August 3 recognises the refreshing summertime treat enjoyed at picnics and fairs. It is a non-official American holiday.

3 August- Cloves Syndrome Awareness Day

Every year August 3 is observed as Cloves Syndrome Awareness Day globally. The day aims to spread awareness about the rare genetic disorder. Its emphasis is on action to gather community support. 

3 August (First Sunday of August) – Friendship Day

Friendship Day is celebrated on the first Sunday of August and in 2023 it falls on 3rd August. In 1935, a tradition of dedicating a day in honour of friends began in the US. Gradually Friendship Day gained popularity and various countries including India also celebrate this day.

4 August- Assitance Dog Day

Assistance Dogs Day honours and celebrate the dedication of assistance dogs. These dogs are trained to help people with hearing difficulties, epilepsy, diabetes, physical mobility problems and more. 

4 August - U.S. Coast Guard Day

Every year on 4 August U.S. Coast Guard Day is observed to honour the establishment of the Revenue Marine on 4 August in 1790 by the Secretary of the Treasury Alexander Hamilton.

6 August – Hiroshima Day 

Hiroshima Day is observed on 6 August every year. This is the day when the atomic bomb was dropped on the Japanese city of Hiroshima.

7 August - National Handloom Day

It is observed on 7 August every year to honour the handloom weavers in the country. This year 7th National Handloom Day is celebrated.

8 August – Quit India Movement Day

All India Congress Committee session in Bombay on 8 August 1942, Mohandas Karamchand Gandhi launched the 'Quit India Movement'. It is also known as August Movement or August Kranti.

9 August - Nagasaki Day

The United States on 9 August 1945 dropped a second bomb on Japan at Nagasaki and the bomb is also known as ‘Fat Man’. It was dropped three days after the atomic bombing of Hiroshima.

9 August - Rakshabandhan

Raksha Bandhan is celebrated on the Purnima Tithi (Full Moon day) in Shravan. Therefore, it will be celebrated this year on Saturday, August 9, 2025. 

9 August - International Day of the World's Indigenous Peoples 

Every year International Day of the World's Indigenous Peoples is celebrated on 9 August to encourage people from around the world to spread the UN's message on the protection and promotion of the rights of indigenous peoples.

9 August- National Book Lover's Day

Book Lovers Day is celebrated on August 9 every year. This is an unofficial holiday observed to encourage bibliophiles to celebrate reading and literature. 

9 August- World Sanskrit Day

World Sanskrit Day, celebrated on 9 August, is dedicated to honoring the ancient Indian language of Sanskrit—one of the oldest and most scientific languages known to humanity.

9 August - Narali Purnima 

It is also known as Nariyal Purnima or Coconut Day which is celebrated with full enthusiasm in Maharashtra and various other parts adjoining the Konkan region. This year it will be celebrated on 9 August 2025.

10 August - World Lion Day

It is observed on 10 August annually. The objective is to spread awareness and educate people about lions and their conservation.

10 August - World Biofuel Day

 It is observed on 10 August to spread awareness about unconventional sources of fuels that could work as an alternative to fossil fuels.

12 August – International Youth Day

International Youth Day is celebrated on 12 August around the globe to focus on the development and protection of youth in society. 

12 August: World Elephant Day

It is observed on 12 August annually to make people understand to preserve and protect the giant animal elephant. This is the way to bring the world together to help elephants. 

13 August - International Lefthanders Day

Every year on 13 August Lefthanders Day is observed. It raises awareness about the problems and difficulties that left-handed persons faced.

13 August - World Organ Donation Day

World Organ Donation Day is observed on 13 August to spread awareness about the importance of organ donation.  

14 August - Youm-e-Azadi (Pakistan Independence Day)

Youm-e-Azadi or Pakistan Independence Day is observed annually on 14 August. On this day Pakistan achieved Independence and was declared a sovereign nation following the end of British rule in 1947.

15 August - National Mourning Day (Bangladesh)

On 15 August, National Mourning Day in Bangladesh is observed. On this day Bangladesh's first President Sheikh Mujibur Rahman was assassinated along with most of his family members.

15 August – Independence Day in India

Every Year on 15 August, India celebrates Independence Day. As of this day, India got freedom from British rule. It makes us remind about a new beginning, the beginning of a new era free from British colonialism of more than 200 years.

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15 August - Day of the Assumption of the Virgin Mary

On 15 August, the Christian feast day of the Assumption of Mary is celebrated with the belief that God assumed the Virgin Mary into Heaven following her death. Mainly, it is celebrated in parts of Europe and South America. It is also called the Assumption of the Blessed Virgin Mary.

16 August - Bennington Battle Day

Bennington Battle Day is observed on 16 August annually to honour the Battle of Bennington, which took place on 16 August 1777. 

17 August - Indonesian Independence Day

Indonesian Independence Day is celebrated on 17 August every year. This day is celebrated as the declaration of independence from Dutch colonisation in 1945.

17 August- Gabon Independence Day

Gabon Independence Day is observed every year on the 17th of August. This day honours the country’s independence in 1960. It is a national holiday in Gabon and is celebrated in numerous ways, including parades, concerts and fireworks. 

17 August- Afghanistan Independence Day

Afghan Independence Day in Afghanistan is celebrated as a national holiday on August 19th. This day marks the memory of the Anglo-Afghan Treaty of 1919, an event where Afghanistan regained its independence from being under British rule. Back in the day, Afghanistan had been under British control and was considered a British protectorate due to the Treaty of Gandamak, which was signed in 1879 during the Second Anglo-Afghan War. 

19 August - World Photography Day

World Photography Day is observed on 19 August annually to raise awareness about the importance of photography.

19 August - World Humanitarian Day

World Humanitarian Day is observed annually on 19 August around the world to pay tribute to aid workers who risk their lives in humanitarian service. This day also honours the work of women in crises throughout the world. 

19 August- Sanskrit Diwas

World Sanskrit Day, also known as Vishva-Samskrita-Dinam, is an annual event focused on the ancient Indian language of Sanskrit that incorporates lectures about the language and is aimed to promote its revival and maintenance.

20 August - World Mosquito Day

World Mosquito Day is observed on 20 August every year to commemorate the British doctor, Sir Ronald Ross's discovery in 1897 that 'female mosquitoes transmit malaria between humans'.

20 August -Sadbhavna Diwas

Sadbhavna Divas is observed on 20 August every year to commemorate the memory of our late Prime Minister Rajiv Gandhi. In English, Sadbhavna means goodwill and bonafide.

20 August -Indian Akshay Urja Day

Indian Akshay Urja Day is celebrated on 20 August annually to raise awareness about the development of renewable energy in India. It is a campaign that is celebrated since 2004. This day commemorates the birthday of former Prime Minister Rajiv Gandhi.

23 August - International Day for the Remembrance of the Slave Trade and its Abolition

This day is observed on 23 August every year to remind us of the tragedy of the slave trade in memory of all people that is about the tragedy of the transatlantic slave trade. It provides a chance to think about the historic causes and the consequences of the slave trade.

23 August - European Day of Remembrance for Victims of Stalinism and Nazism

This day is observed on 23 August every year as a remembrance day for victims of totalitarian regimes mainly Communism, Fascism, Nazism, etc. It is also known as Black Ribbon Day in some countries. This day also symbolises the rejection of "extremism, intolerance, and oppression".

23 August- ISRO Day

PM Modi announced the celebration of ISRO Day on August 23. The day will commemorate the soft landing of Chandrayaan 3 on the south pole of the Moon.

26 August - Women's Equality Day

This day commemorates the passage of the 19th Amendment to the U.S. Constitution which granted the women right to vote. In 1971, the U.S. Congress officially recognized August 26 as Women's Equality Day.

26 August - International Dog Day

It is celebrated on 26 August to recognise the number of dogs that need to be rescued each year. Also, the day promotes the adoption of stray animals.

26 August- Mother Teresa Anniversary

Mother Mary Teresa Bojaxhiu, widely known as Mother Teresa, was born on August 26, 1910, in Skopje, Ottoman Empire. She served as an inspiration to thousands, encouraging them to extend help to one another and to promote humanity and care.

26 August - Hartalika Teej

Hartalika Teej is a significant Hindu festival celebrated by women, especially in North India, with devotion and enthusiasm.

26 August to 27 August - Ganesh Chaturthi 

Ganesh Chaturthi will be celebrated from 26 August to 27 August in 2025, marking the birth of Lord Ganesha, the remover of obstacles.

29 August - National Sports Day

National Sports Day is celebrated on 29 August every year to honour the birthday of Dhyan Chand a field hockey player. National Sports Day is also known as Rashtriya Khel Divas.

30 August - Small Industry Day

Small Industry Day is observed on 30 August every year to support and promote small-scale industries. Do you know that small-scale industries are privately owned small corporations or manufacturers with limited resources and manpower?

31 August - Hari Merdeka (Malaysia National Day)

Every year Hari Merdeka (Malaysia National Day) is celebrated on 31 August.

So, these are the National and International essential Days in August 2025 which may also help prepare for several exams and enhance your knowledge.