Important days in December 2025: National and international dates to note for holidays, observances – check details

December, the final month of the year, brings a mix of cultural, national, and global observances. In India, the month is marked by public holidays, regional festivals, and national commemorations. Meanwhile globally, the month highlights awareness campaigns on health, human rights, and environmental issues.

Key national days in India include Vijay Diwas (Dec 16), celebrating India’s military achievements, and Kisan Diwas (Dec 23), honoring farmers’ contributions. Christmas on Dec 25 is a nationwide public holiday, and New Year’s Eve on Dec 31 is observed in several states, including Manipur and Mizoram. Regional and tribal celebrations such as Indigenous Faith Day and Tamu Losar reflect India’s diverse cultural traditions.

Globally, December features important awareness days such as World AIDS Day (Dec 1), International Human Rights Day (Dec 10), International Mountain Day (Dec 11), and National Energy Conservation Day (Dec 14), focusing on health, equality, sustainability, and social inclusion.

List of Important Days in December 2025

• Dec 1: World AIDS Day
• Dec 2: National Pollution Control Day, International Day for the Abolition of Slavery
• Dec 3: International Day of Persons with Disabilities
• Dec 4: International Day of Banks, International Day Against Unilateral Coercive Measures
• Dec 5: World Soil Day, International Volunteer Day for Economic and Social Development
• Dec 6: Mahaparinirvan Diwas, National Microwave Oven Day
• Dec 7: Armed Forces Flag Day, International Civil Aviation Day
• Dec 8: Bodhi Day
• Dec 9: International Anti-Corruption Day, International Day of Commemoration and Dignity of the Victims of Genocide
• Dec 10: Human Rights Day
• Dec 11: International Mountain Day, UNICEF Day
• Dec 12: International Day of Neutrality, International Universal Health Coverage Day
• Dec 13: National Horse Day
• Dec 14: National Energy Conservation Day
• Dec 16: Vijay Diwas
• Dec 18: Minorities Rights Day in India, International Migrants Day, Arabic Language Day
• Dec 19: Goa Liberation Day
• Dec 20: International Human Solidarity Day
• Dec 21: World Saree Day, Winter Solstice, World Basketball Day, World Meditation Day
• Dec 22: National Mathematics Day
• Dec 23: Kisan Diwas
• Dec 24: National Consumer Rights Day
• Dec 25: Christmas, Good Governance Day
• Dec 26: Veer Bal Diwas, Boxing Day
• Dec 27: International Day of Epidemic Preparedness
• Dec 31: New Year’s Eve

With weekends and Christmas as the main breaks, December is marks the end of the year and hopes, aspirations for the new one.

Significant holidays in India

From Christmas festivities to tribal commemorations and the birth or death anniversaries of revered personalities, the month offers a diverse calendar of public holidays. These observances reflect India’s rich cultural and regional diversity, allowing communities to celebrate their unique traditions while coming together in shared national celebrations.

Here is a look at all the public holidays in India during December 2025, along with the states where they will be observed, as per Economic Times.





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