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Important Days in December 2025: December, the twelfth month of the year is the last month with a length of 31 days. And each day comes with a new event to feel happy and proud. Check the article below to keep a tab on all the important days and dates in December 2025 of national and international significance.
Important Days in December 2025: December is the year’s final month and kicks off the festive season. From religious holidays to important national and global events, December brings a mix of traditions, reflections, and opportunities for positive change.
Whether you’re celebrating, remembering history, or just curious about the key dates, this guide covers some of the most notable events in December.
One of the highlights is Christmas on December 25, a worldwide celebration of the birth of Jesus Christ and one of the most cherished Christian holidays. Around the same time, the Jewish festival Hanukkah will be observed from December 14, 2025 to December 22, 2025, marking the rededication of the Second Temple in Jerusalem.
December also includes events like International Human Rights Day on December 10, a time to reflect on the importance of justice, equality, and human dignity across the globe.
List of Important Days and Dates in December 2025
World AIDS Day
World AIDS Day is observed on 1 December every year to raise awareness and knowledge about HIV and a call to move toward ending the HIV epidemic. It was first celebrated in 1988. The theme of 2025 is “Overcoming disruption, transforming the AIDS response”.
Date: 01 December
National Pollution Control Day
National Pollution Control Day is celebrated on 2 December to raise awareness about pollution and its hazardous effects. This day is observed in memory of the people who lost their lives in the Bhopal gas calamity which is considered one of the biggest industrial disasters.
Date: 02 December
International Day for the Abolition of Slavery
It was observed on 2 December to make people aware of the modern slavery that works against human rights. Do you know more than 40 million people in the world are victims of modern slavery? This day reminds the situations of exploitation that a person cannot refuse due to threats, violence, coercion or abuse of power.
Date: 02 December
World Computer Literacy Day
It is observed on December 2 and aims to encourage the development of technological skills, mainly among children and women in India.
Date: 02 December
World Day of the Handicapped or International Day of Persons with Disabilities
World Day of the Handicapped is also known as the International Day of People with Disabilities (IDPD). It is observed on 3 December to raise awareness about understanding and accepting people with disabilities. The theme for 2021 was “Leadership and participation of persons with disabilities toward an inclusive, accessible and sustainable post-COVID-19 world.”
Date: 03 December
Indian Navy Day
Indian Navy Day is celebrated every year on 4 December to highlight the role, achievements, and difficulties that Navy people face.
Date: 04 December
International Volunteer Day
International Volunteer Day (IVD) is celebrated on 5 December every year. This day provides a chance for volunteers and organisations to celebrate their efforts, and values and promotes their work among their communities, etc.
Date: 05 December
World Soil Day
World Soil Day is observed on 5 December to raise awareness about the importance of soil, healthy ecosystems, and human well-being.
Date: 05 December
Dr. Ambedkar Mahaparinirvan Diwas – BR Ambedkar’s death anniversary
On 6 December 1956, he passed away. The day is observed to commemorate his unforgettable contribution to society and his achievements.
Date: 06 December
National Microwave Oven Day
It is observed on 6 December to celebrate and honour the invention that has made their lives easier by making it convenient and faster for them to cook and reheat food.
Date: 06 December
Armed Forces Flag Day
Armed Forces Flag Day is observed across the country on 7 December to collect funds from the common people and honour the martyrs and the men who fought with bravery on the borders to safeguard the country’s honor.
Date: 07 December
International Civil Aviation Day
International Civil Aviation Day is observed on 7 December worldwide to raise awareness about its importance to the social and economic development of States and the role that ICAO plays in International air transport.
Date: 07 December
International Anti-Corruption Day
International Anti-Corruption Day is observed on 9 December every year to highlight how corruption affects health, education, justice, democracy, prosperity, and development.
Date: 09 December
Human Rights Day
Human Rights Day is celebrated on 10 December. The Universal Declaration of Human Rights was adopted in 1948 by the United Nations General Assembly. This day is observed to protect the fundamental human rights of all people and their basic human freedom.
Date: 10 December
International Mountain Day
International Mountain Day is celebrated on 11 December every year to educate children and people about the role that mountains play in providing fresh water, clean energy, food, and recreation.
Date: 11 December
UNICEF Day
It is observed on 11 December by the United Nations. UNICEF stands for United Nations International Children Emergency Fund.
Date: 11 December
Universal Health Coverage Day
The United Nations proclaimed 12 December as International Health Coverage Day (UHC) by resolution 72/138 on 12 December 2017. The purpose behind celebrating the day is to spread awareness of the need for strong and resilient health systems and universal health coverage with multi-stakeholder partners.
Date: 12 December
National Horse Day
In some parts of America, December 13 is recognized as National Horse Day. This day honours the historical, cultural, and economic contributions that horses have made. Look up the background and significance of the unique observance.
Date: 13 December
National Energy Conservation Day
It is observed on 14 December to raise awareness about the need for energy and its conservation in daily life. Since 1991, it is celebrated every year on 14 December by the Bureau of Energy Efficiency (BEE), under the Ministry of Power.
Date: 14 December
Vijay Diwas
Vijay Diwas is celebrated on 16 December in India to remember the martyrs, and their sacrifices, and to strengthen the role of armed forces for the cause of the nation.
Date: 16 December
International Migrants Day
Minorities Rights Day in India is observed on 18 December to preserve and promote the rights of minority communities in India. This day focuses on issues like the safety of minorities in the state. On this day several campaigns, seminars, and events are conducted to inform and educate people about them.
Date: 18 December
Minorities Rights Day in India
Minorities Rights Day in India is observed on 18 December to preserve and promote the rights of minority communities in India. This day focuses on issues like the safety of minorities in the state. On this day several campaigns, seminars, and events are conducted to inform and educate people about them.
Date: 18 December
Goa’s Liberation Day
The Liberation Day of Goa is celebrated on 19 December annually. On this date in 1961, Goa was released from the Portuguese dominion after an army operation and extended freedom movement. This day is celebrated in commemoration of the Indian armed forces that helped Goa to receive freedom from Portuguese rule.
Date: 19 December
International Human Solidarity Day
International Human Solidarity Day is observed on 20 December annually to highlight the importance of unity in diversity. This day also reminds people to work together in fighting poverty, hunger, and disease.
Date: 20 December
Blue Christmas
A Western Christian practice known as “Blue Christmas” takes place on or near the longest night of the year, which is typically December 21 (the Winter Solstice). It aims to console grieving family members or friends who are having a difficult time finding joy and hope during the holiday season.
Date: 21 December
World Saree Day
An effort has been made to recognise and celebrate the elegance of this traditional clothing on World Saree Day. It is observed every year on December 21. Sarees are among the most exquisite, graceful, and beautiful gifts made by Indian artisans and handed down through the ages.
Date: 21 December
National Mathematics Day
National Mathematics Day is celebrated on 22 December annually to commemorate the birth anniversary of the famous mathematician Srinivasa Ramanujan. He had made remarkable contributions to various fields of mathematics and its branches. He was born on 22 December 1887 in Erode (today in the city of Tamil Nadu).
Date: 22 December
Kisan Diwas
Kisan Divas or Farmer’s Day in India or National Farmer’s Day is celebrated on 23 December across the country to commemorate the birth anniversary of the former Prime Minister Chaudhary Charan Singh. On this day various events, seminars, functions, and competitions are organized on agriculture and its importance to educate and provide knowledge to the people.
Date: 23 December
National Consumer Rights Day
National Consumer Rights Day is observed on 24 December annually with a particular theme across the country. The Consumer Protection Act, of 1986 received the assent of the president on this day. No doubt it is considered a historic milestone in the consumer movement in the country. This day also provides awareness about consumer rights and responsibilities.
Date: 24 December
Good Governance Day (India)
Good Governance Day in India is observed on 25 December to commemorate the birth anniversary of Atal Bihari Vajpayee. His Samadhi, namely ‘Sadiav Atal‘ was dedicated to the nation and reflected his personality as a poet, humanist, statesman, and a great leader.
He died at the age of 93 on 16 August 2018. The Good Governance Day was established in 2014 to pay tribute to the former PM Atal Bihari Vajpayee to raise awareness about accountability in governance among the people of India.
Date: 25 December
Veer Bal Diwas
Veer Bal Diwas is observed on December 26 to pay homage to the courage and martyrdom of the four sons of Guru Gobind Singh Ji, the last Sikh Guru.
Date: 26 December
International Day of Epidemic Preparedness
International Day of Epidemic Preparedness is observed on December 27 to fulfil the great need to raise awareness, the exchange of information, scientific knowledge and best practices, and quality education to curb the fatality of the Epidemic.
Date: 27 December
