December 2025 Calendar with Holidays

December Observances & Fun Facts
December 2025 is Observed as	Tamil Calendar Month of Kārttikai / Mārkazhi
Dec. Birthstone	Turquoise & Blue Topaz
Dec. Astrological Sign	Sagittarius (till 21st) & Capricorn (22nd →)

Today

Start Mon

December

Cyber Monday		Mon 1
World AIDS Day		Mon 1
Int'l. Day for the Abolition of Slavery		Tue 2
World Computer Literacy Day		Tue 2
Int'l Day of Persons with Disabilities		Wed 3
Indian Navy Day		Thu 4
Int'l. Volunteer Day for Economic and Social Development		Fri 5
World Soil Day		Fri 5
Armed Forces Flag Day		Sun 7
International Civil Aviation Day		Sun 7
Genocide Prevention Day		Tue 9
International Anti-Corruption Day		Tue 9
Human Rights Day		Wed 10
International Mountain Day		Thu 11
International Day of Neutrality		Fri 12
Int'l. Universal Health Coverage Day		Fri 12
National Energy Conservation Day		Sun 14
Tamil month of Margazhi starts		Tue 16
Arabic Language Day		Thu 18
International Migrants Day		Thu 18
Goa Liberation Day		Fri 19
International Human Solidarity Day		Sat 20
Winter Solstice		Sun 21
Christmas Eve (बड़े दिन की पूर्व संध्या)		Wed 24
Christmas (क्रिसमस/ बड़ा दिन)		Thu 25
Boxing Day		Fri 26

Haryana Day		Sat 1
All Saints' Day		Sat 1
All Souls' Day		Sun 2
Int'l. Day to End Impunity for Crimes against Journalists		Sun 2
Guru Nanak Day (गुरु नानक दिवस)		Wed 5
Guy Fawkes Day		Wed 5
World Tsunami Awareness Day		Wed 5
Int'l. Day for Preventing the Exploitation of the Environment in War and Armed Conflict		Thu 6
World Science Day for Peace and Development		Mon 10
National Education Day		Tue 11
World Kindness Day		Thu 13
World Quality Day		Thu 13
Children Day (Bal Divas)		Fri 14
World Diabetes Day		Fri 14
International Day for Tolerance		Sun 16
National Press Day		Sun 16
World Day of Remembrance for Road Traffic Victims		Sun 16
National Integration Day		Wed 19
International Men's Day		Wed 19
World Toilet Day		Wed 19
Africa Industrialization Day		Thu 20
Universal Children's Day		Thu 20
World Philosophy Day		Thu 20
World Hello Day		Fri 21
World Television Day		Fri 21
Martyrdom Day of Guru Tegh Bahadur (गुरु तेग बहादुर का शहीदी दिवस)		Mon 24
Int'l. Day for the Elimination of Violence against Women		Tue 25
National Law Day		Wed 26
Int'l. Day of Solidarity with the Palestinian People		Sat 29
Computer Security Day		Sun 30
Day of Remembrance for all Victims of Chemical Warfare		Sun 30