December marks the end of the year and comes packed with festivals, national days, global observances, exams, and school events. In India, it falls in the winter season, bringing festive cheer, holiday breaks, and several awareness days celebrated worldwide. From World AIDS Day on 1st December to Good Governance Day and Christmas on 25th December, the month is filled with occasions that encourage reflection, celebration, learning, and social awareness.
This guide presents a complete date-wise list of all important days, national and international events, cultural festivals, and religious observances in December. It is especially useful for students, teachers, UPSC/SSC aspirants, bloggers, and social media creators.
Complete List of Important Days, Festivals & Events in December 2025
1 December
- World AIDS Day – Raises awareness about HIV, prevention and support for patients.
- Gita Jayanti – Celebrates the day Lord Krishna is believed to have narrated the Bhagavad Gita.
- Mokshada Ekadashi – A spiritually significant Ekadashi associated with liberation.
2 December
- National Pollution Control Day (India) – Observed to remind the nation about environmental safety and pollution control.
- International Day for the Abolition of Slavery – Dedicated to eradicating modern forms of slavery.
3 December
- International Day of Persons with Disabilities – Promotes inclusive development and equal opportunities.
4 December
- Indian Navy Day – Celebrates the strength, achievements, and historic operations of the Indian Navy.
- Dattatreya Jayanti – Birth anniversary of Lord Dattatreya, worshipped as the combined form of the Trinity.
- Annapurna Jayanti – Dedicated to Goddess Annapurna, symbolizing nourishment and abundance.
- Karthigai Deepam (Regional) – A major Tamil festival marked by the lighting of lamps.
5 December
- International Volunteer Day – Celebrates global volunteer contributions.
- World Soil Day – Focuses on soil health and sustainable agriculture.
7 December
- Armed Forces Flag Day (India) – Honors Indian soldiers, veterans and martyrs.
- International Civil Aviation Day – Recognizes the importance of global air connectivity.
8 December
- Bodhi Day – Observed by Buddhists to commemorate Lord Buddha’s enlightenment.
9 December
- International Anti-Corruption Day – Encourages transparent governance.
- Genocide Victims Remembrance Day – Honors victims and raises awareness about prevention.
10 December
- Human Rights Day – Marks the adoption of the Universal Declaration of Human Rights.
- Death Anniversary of Alfred Nobel – Often acknowledged due to his legacy in science and global awards.
11 December
- International Mountain Day – Promotes mountain conservation.
- UNICEF Day – Recognizes efforts made for children’s welfare worldwide.
12 December
- International Day of Neutrality – Highlights the importance of neutrality in global relations.
- Universal Health Coverage Day – Advocates accessible healthcare for all.
14 December
- National Energy Conservation Day (India) – Encourages efficient energy usage.
- Hanukkah Begins (2025) – Jewish festival celebrating the miracle of the oil lamp and temple rededication.
16 December
- Vijay Diwas (India) – Marks India’s victory in the 1971 war and honors armed forces.
- Dhanu Sankranti – Sun’s transition into the Dhanu (Sagittarius) sign.
18 December
- Minorities Rights Day (India) – Highlights the protection of minority rights.
- International Migrants Day – Recognizes contributions and struggles of migrants.
19 December
- Goa Liberation Day – Celebrates Goa’s liberation from Portuguese rule.
20 December
- International Human Solidarity Day – Promotes unity and cooperation among nations.
21 December
- Winter Solstice – The shortest day and longest night of the year in the Northern Hemisphere.
- World Saree Day – A cultural celebration of the Indian saree.
22 December
- National Mathematics Day (India) – Birth anniversary of Srinivasa Ramanujan; promotes love for mathematics.
23 December
- Kisan Diwas (National Farmers’ Day) – Celebrates farmers and commemorates Chaudhary Charan Singh.
24 December
- National Consumer Rights Day – Emphasizes consumer rights and product safety.
- Christmas Eve – Celebrated by Christians around the world.
25 December
- Christmas (Global) – Birth of Jesus Christ; celebrated with mass, decorations and festive cheer.
- Good Governance Day (India) – Observed on former PM Atal Bihari Vajpayee’s birth anniversary to promote citizen-centric governance.
- Madan Mohan Malaviya Jayanti – Birth anniversary of the educationist and founder of BHU.
27 December
- Guru Gobind Singh Jayanti – Birth anniversary of the tenth Sikh Guru, marked with prayers and processions.
30 December
- Pausha Putrada Ekadashi – Fasting day for children’s well-being.
31 December
- Vaikuntha Ekadashi – Major Vaishnava festival, especially prominent in South India.
- New Year’s Eve – Year-end celebrations across the world.
Religious & Cultural Festivals in December 2025 (India)
Hindu Festivals
- Gita Jayanti
- Mokshada Ekadashi
- Dattatreya Jayanti
- Annapurna Jayanti
- Masik Shivaratri
- Dhanu Sankranti
- Skanda Shashti
- Pausha Putrada Ekadashi
- Vaikuntha Ekadashi
Sikh Festival
- Guru Gobind Singh Jayanti
Christian Celebrations
- Christmas Eve
- Christmas
Jewish Festival
- Hanukkah (14–22 December 2025)
How This December Calendar Helps Students, Teachers & Creators
For Students & Competitive Exams
- December includes many static GK topics important for UPSC, SSC, banking, railways and school quizzes.
- Students can make flashcards and revision charts using this list.
For Teachers & Schools
- Ideal for planning morning assemblies, awareness activities, art competitions and year-end events.
- Mathematics Day, Energy Conservation Day and Human Rights Day are perfect for student engagement.
For Bloggers & Social Media Creators
- Each day offers potential for content—facts, reels, trivia, infographics, blog posts and seasonal campaigns.
- December also brings festive traffic, making it a valuable content month.
Conclusion
December is more than just the last month of the year — it is a period filled with spirituality, awareness, cultural festivities, national pride, and international solidarity. From global observances to India-specific celebrations, December offers almost every day as an opportunity to learn, celebrate, or bring a positive change.
