* World AIDS Day - 1st December (Theme 2023 - Let Communities Lead)
* Nagaland State Foundation Day - 1st December ( 61st)
* BSF Raising Day - 1st December ( 59th Raising Day)
* International Day For Abolition Of Slavery - 2nd December (Theme 2023 - Fighting Slavery's Legacy Of Racism Through Transformative Education)
* National Pollution Control Day - 2nd December (Theme 2023 - Sustainable Development For a Clean And Healthy Planet)
* World Computer Literacy Day - 2nd December (Theme 2023 - Promoting Literacy For a World In Transition: Building The Foundation For Sustainable And Peaceful Societies)
* International Day Of Person With Disabilities - 3rd December (Theme 2023 - United In Action To Rescue And Achieve The Sustainable Development Goals For With And By Persons With Disabilities)
* Navy Day - 4th December (Theme 2023 - Operational Efficiency, Readiness And Mission Accomplishment In The Maritime Domain.)
* International Cheetah Day - 4th December ( Observes Since 2010)
* World Wildlife Conservation Day - 4th December
* International Volunteer Day For Economic And Social Development - 5th December
(Theme 2023 - The Power Of Collective Action : If Everyone Did)
* World Soil Day - 5th December(Theme 2023 - Soil And Water, a Source Of Life)
* Armed Force Flag Day - 7th December
* International Civil Aviation Day - - 7th December (Theme 2023 - Advancing Innovation For Global Aviation Development)
* International Anti Corruption Day - 9th December (Theme 2023 - Uniting The World Against Corruption)
* Human Rights Day - 10th December ( 75TH Anniversary) (Theme 2023 - Freedom, Equality And Justice For All)
* International Mountain Day - 11th December(Theme 2023 - Restoring Mountain Ecosystems)
* UNICEF Day - 11th December (Theme 2023 - For Every Child, Every Right)
* Universal Health Coverage Day - 12th December(Theme 2023 - Health For All: Time For Action)
* National Energy Conservation Day - 14th December
* International Minorities Rights Day - 18th December (Theme 2023 - Celebrating Diversity And Inclusion)
* 62nd Goa Liberation Day - 19th December
* International Human Solidarity Day - 20th December (Theme 2023 - To Promote Social Justice And Cultural Equality To Advance Human And Social Development, Particularly In Developing Nations.)
* International Migrants Day - 18th December (Theme 2023 - Promoting Safe Migration)
* 60th Sashastra Seema Bal (SSB) Raising Day - 20th December
* National Mathematics Day - 22nd December (Birth Anniversary Of Ramanujan)
* National Farmers Day - 23rd December ( Birth Anniversary Of Chaudhary Charan Singh)
Theme 2023 - Cultivating The Future: Innovation And Sustainability In Agriculture
* National Consumer Rights Day - 24th December(Theme 2023 - Empowering Consumers Through Clean Energy Transitions)
* Good Governance Day- 25th December (Birth Anniversary Of Atal Bihari Vajpayee)
* VEER BAAL DIWAS - 26th December ( MaRTYR Day Of Zorawar Singh And Fateh Singh)
