January
January 9 - Pravasi Bharatiya Divas (Non-resident Indian Day)
January 12 - National Youth Day (India)
January 15 - Indian Army Day
January 25 - National Voters' Day (India)
January 26 - Republic Day (India)
January 27- International Day of Commemoration in Memory of the Victims of the Holocaust
January 30 - Martyr's Day (Mahatma Gandhi's Martyrdom Day)
January 31 - International Street Children's Day
February
February 4 - World Cancer Day
February 6 - International Day of Zero Tolerance to Female Genital Mutilation
February 21 - International Mother Language Day
February 28 - National Science Day (India)
March
March 8 - International Women's Day
March 15 - World Consumer Rights Day
March 20 - World Sparrow Day
March 21 - International Day for the Elimination of Racial Discrimination
March 21 - International Day of Forests
March 21 - World Down Syndrome Day
March 21 - World Poetry Day
March 21 - World Wood Day
March 22 - World Water Day
March 24 - World Tuberculosis Day
April
April 2 - World Autism Awareness Day
April 7 - World Health Day
April 8 - International Romani Day
April 11 - International Louie Louie Day
April 17 - World Hemophilia Day -
April 22 - Earth Day
April 23 - World Book Day
April 25 - World Malaria Day
April 26 - World Intellectual Property Day
April 29 - International Dance Day
April 30 - International Jazz Day
May
May 1- International Workers' Day
May 3 - World Press Freedom Day
May 5 - International Midwives' Day
May 6 - International No Diet Day
May 12 - International Nurses Day
May 15 - International Day of Families
May 17 - International Day Against Homophobia and Transphobia
May 17 - World Information Society Day
May 22 - International Day for Biological Diversity
May 23 - World Turtle Day
May 24 - Commonwealth Day
May 25 - International Missing Children's Day
May 31 - World No Tobacco Day
June
June 5 - World Environment Day
June 8 - World Oceans Day
June 14 - World Blood Donor Day
June 20 - World Refugee Day
June 21 - World Music Day
June 21 - World Hydrography Day
June 21 - International Yoga Day
June 23 - International Olympic Day
June 26 - International Day against Drug Abuse and Illicit Trafficking
July
July 2 - World UFO Day
July 11 - World Population Day
July 12 - Malala Day
July 17 - World Day for International Justice
July 18 - Mandela Day
July 26 - Kargil Vijay Diwas
July 29 - International Tiger Day
August
August 7 - National Handloom Day
August 12 - International Youth Day
August 15 - Indian Independence Day
August 19 - World Photography Day
August 20 - World Mosquito Day
August 20 - Indian Akshay Urja Day
August 26 - Women's Equality Day
August 29 - National Sports Day
September
September 5 - International Day of Charity
September 5 - Teachers' Day (India)
September 8 - World Literacy Day
September 10 - World Suicide Prevention Day
September 15 - Engineer's Day (India)
September 15 - International Day of Democracy
September 16 - International Day of the preservation of ozone layer
September 19 - International Talk Like a Pirate Day
September 21 - International Day of Peace
September 24 - World Heart Day
September 27 - World Tourism Day
September 28 - World Rabies Day
September 29 - International Coffee Day
September 29 - World Heart Day
October
October 2 - World Vegetarian Day
October 2 - Gandhi Jayanthi
October 2 - International Day of Non-Violence
October 4 - World Animal Day
October 8 - Indian Air Force Day
October 9 - World Post Day
October 10 - World Mental Health Day
October 14 - World Standards Day
October 15 - Global Handwashing Day
October 16 - World Food Day
October 17 - International Day for the Eradication of Poverty
October 24 - United Nations Day
November
November 1 - World Vegan Day
November 12 - World Pneumonia Day
November 14 - World Diabetes Day
November 17 - World Prematurity Day
November 19 - International Men's Day
November 20 - Universal Children's Day
November 21 - World Television Day
November 25 - International Day for the Elimination of Violence against Women
November 14 - Children's Day (some countries)
December
December 1 - World AIDS Day
December 3 - United Nations' International Day of Persons with Disabilities
December 5 - International Volunteer Day
December 7 - International Civil Aviation Day
December 10 - Human Rights Day