| December 1 |
World AIDS Day[68] |
UN[13][241] |
| December 2 |
International Day for the Abolition of Slavery |
UN[13][242] |
| December 2 |
UAE National Day |
|
| December 3 |
International Day of Persons with Disabilities |
UN[13][243] |
| December 5 |
World Soil Day |
UN: A/RES/68/232 |
| December 5 |
International Volunteer Day for Economic and Social Development |
UN[13][244] |
| December 6 |
Independence Day (Finland) |
|
| December 7 |
International Civil Aviation Day |
UN, ICAO[13][245] |
| December 9 |
International Anti-Corruption Day |
UN[13][246] |
| December 10 |
Human Rights Day |
UN[13][247] |
| December 11 |
International Mountain Day |
UN[13][248] |
| December 12 |
Universal Health Coverage Day |
|
| December 14 |
Monkey Day |
|
| December 15 |
International Tea Day |
|
| December 16 |
Victory day of Bangladesh |
|
| December 16 |
Day of Reconciliation |
|
| December 16 |
Bahrain National Day |
|
| December 17 |
International Day to End Violence Against Sex Workers |
|
| December 18 |
International Migrants Day |
UN[13][249] |
| December 20 |
International Human Solidarity Day |
UN |
| December 22 |
National Mathematics Day (India) |
|
| December 23 |
Festivus |
|
| December (Winter Solstice) |
Global Orgasm |
|
| December (Thursday before Christmas) |
National Regifting Day (USA) |
|
| December 25 |
Good Governance Day (India) |
|
| December 25 |
Quaid-e-Azam Day |
|
| December 26 |
Boxing Day |
|
| December 27 |
Benazir Bhutto Memorial Day (Karachi, Pakistan) |
|
| Full moon day during December |
Purnima Sukla Paksha |
|
| December 31 |
New Year's Eve |
|
