Important Days
January
Date/ Day Importance
NRI Day (Return of Mahatma Gandhi from South Africa in 1915)
12  National Youth Day (Birthday of Swami Vivekananda)
15  Army Day
24  National Girl Child Day
25  National Tourism Day, National Voters’ Day 
26  India’s Republic Day, International Customs Day
27  Day to Remember the Victims of the Holocaust
28  Data Protection Day
29  National Newspaper Day
30  Martyrs’ Day (Assassination of Mahatma Gandhi)
Last Sunday  World Leprosy Eradication Day
February
Date/ Day Importance
World Hijab Day
2nd Sunday  World Marriage Day
World Wetlands Day 
World Cancer Day
International Day of Zero Tolerance to Female Genital Mutilation
11  International Day of Women and Girls in Science 
13  World Radio Day 
14  St Valentine’s Day 
20 World Day of Social Justice
21  World Mother Language Day
24  Central Excise Day
28  National Science Day (This day in 1928 marked the discovery of ‘Raman Effect’ by Dr C V Raman)
March
Date/Day Importance
2nd Monday   Commonwealth Day
2nd Thursday  World Kidney Day
Zero Discrimination Day
National Defence Day, World Wildlife Day
National Security Day 
8 International Women’s Day
10  Central Industrial Security Force (CISF) Raising Day 
12  Mauritius Day 
14  Pi Day [Observed on March 14 (3/14 in the month/day date format) since 3, 1 and 4  are the three significant digits of Pi]
15  World Disabled Day; World Consumer Rights Day
16  National Vaccination Day 
20 International Day of Happiness
21  World Forestry Day; International Day for the Elimination of Racial Discrimination; World Poetry Day; World Down Syndrome Day
22  World Water Day
23  World Meteorological Day
24  World Tuberculosis Day
27  World Theatre Day
April
Date/Day Importance
World Autism Awareness Day
International Day for Mine Awareness and Assistance in Mine Action 
National Maritime Day
7 World Health Day
12  International Day of Human Space Flight
17  World Haemophilia Day
18  World Heritage Day
21 Secretaries’ Day, National Civil Services Day
22  Earth Day
23  World Book and Copyright Day;  English Language Day
25 World Malaria Day
26  World Intellectual Property Day
28  World Day for Safety and Health at Work
29  Day of Remembrance for All Victims of Chemical Warfare, International Dance Day
30  World Jazz Day
May
Date/Day Importance
Workers’ Day (International Labour Day)
World Tuna Day
International Energy Day, World Press Freedom Day
1st Tuesday  World Asthma Day
2nd Sunday  Mother’s Day
Coal Miners’ Day
World Red Cross Day; World Thalassaemia Day
11 National Technology Day
12  International Nurses Day
15  International Day of Families
17  World Hypertension Day; World Telecommunication and Information Society Day
21  World Day for Cultural Diversity for Dialogue and Development
22  International Day for Biological Diversity
25 World Thyroid Day
29  International Day of United Nations Peacekeepers
31 World No-Tobacco Day
June
Date/Day Importance
Global Day of Parents, World Milk Day
International Day of Innocent Children Victims of Aggression
World Environment Day
World Oceans Day
3rd Sunday  Father’s Day
12  World Day Against Child Labour
13 International Albinism Awareness Day
14  World Blood Donor Day
15  World Elder Abuse Awareness Day
16  International Day of Family Remittances
17  World Day to Combat Desertification and Drought
19  International Day for the Elimination of Sexual Violence in Conflict
20  World Refugee Day
21  International Yoga Day
23  United Nations Day for Public Service; International Widows’ Day
25  Day of the Seafarer
26   International Day against Drug Abuse and Illicit Trafficking
29 National Statistics Day (Birthday of PC Mahalanobis, who founded the Indian Statistical Institute)
30  International Asteroid Day
July
Date/Day Importance
National Doctors’ Day (Birthday of BC Roy)
1st Saturday  International Day of Cooperatives
World Zoonoses Day
11  World Population Day
12  Malala Day
15 World Youth Skills Day
18  Nelson Mandela International Day
26  Kargil Victory Day
28  World Hepatitis Day
30  International Day of Friendship, World Day against Trafficking in Persons
August
Date/Day Importance
1st Sunday International Friendship Day
Hiroshima Day
National Handloom Day
World Senior Citizens’ Day
Quit India Day, Nagasaki Day; International Day of the World’s Indigenous Peoples
12  International Youth Day
15  Indian Independence Day
19  World Photography Day; World Humanitarian Day
20  Sadbhavana Diwas (Birthday of Rajiv Gandhi) 
29  National Sports Day (Birthday of Dhyan Chand, the hockey wizard); International Day against Nuclear Tests
30  Small Industry Day; International Day of the Victims of Enforced Disappearances
September
Date/Day Importance
World Coconut Day
Teachers’ Day (Birthday of Dr S Radhakrishnan); International Day of Charity
World Literacy Day (UNESCO)
10  World Suicide Prevention Day
12  United Nations Day for South-South Cooperation
15  Engineers’ Day; International Day of Democracy
16  World Ozone Day
21  Alzheimer’s Day; Day for Peace & Non-violence (UN)
22  Rose Day (Welfare of cancer patients)
25  Social Justice Day
26  International Day for the Total Elimination of Nuclear Weapons
27  World Tourism Day
28  World Rabies Day
29  World Heart Day
Last Sunday  Day of the Deaf
Last Thursday  World Maritime Day
October
Date/Day Importance
International Day for the Elderly, World Vegetarian Day
Gandhi Jayanthi, International Day of Non-Violence, World Farm Animals Day
1st Monday  World Habitat Day, World Architecture Day
1st Friday  World Smile Day
World Animal Day
World Teachers’ Day
World Day for Decent Work
Indian Air Force Day
World Post Office Day
10  World Mental Health Day
11  International Day of the Girl Child
2nd Thursday  World Sight Day
2nd Friday  World Egg Day
13  UN International Day for Natural Disaster Reduction
14 World Standards Day
15  World White Cane Safety Day; International Day of Rural Women, Global Handwashing Day
16  World Food Day; World Anaesthesia Day
17  International Day for the Eradication of  Poverty 
20  National Solidarity Day, World Statistics Day, World Osteoporosis Day
21  World Iodine Deficiency Disorders Prevention Day
24  UN Day; World Development Information Day
27  World Day for Audiovisual Heritage
28  International Animation Day
30  World Thrift Day
31  National Unity Day; World Cities Day 
November
Date/Day Importance
International Day to End Impunity for Crimes against Journalists
World Tsunami Awareness Day
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
Infant Protection Day; National Cancer Awareness Day 
Legal Services Day
10  World Science Day for Peace and Development
2nd Thursday  World Quality Day
11  National Education Day (Birthday of Maulana Abul Kalam Azad)
14  Children’s Day (Birthday of Jawaharlal Nehru); World Diabetes Day
16  National Press Day; International Day for Tolerance
17  National Epilepsy Day, International Students’ Day
18  Sappers’ Day
Third Thursday 


World Philosophy Day

 

Third Sunday  World Day of Remembrance for Road Traffic Victims
19  World Day for Prevention of Abuse and Violence Against Children; World Citizens’ Day, International Men’s Day; World Toilet Day; Women’s Entrepreneurship Day; National Integration Day
20  Universal Children’s Day; Africa Industrialisation Day
21  World Television Day; World Hello Day
25 International Day for the Elimination of Violence against Women
26  Constitution Day; National Milk Day (Birthday of Verghese Kurien, father of white revolution in India)
29 International Day of Solidarity with the Palestinian People
30 Flag Day 
December
Date/Day Importance
1 World AIDS Day
International Day for the Abolition of Slavery
World Day of the Handicapped
Indian Navy Day
World Soil Day, International Volunteer Day for Economic and Social Development
Indian Armed Forces Flag Day; International Civil Aviation Day
International Anti-Corruption Day
10  Human Rights Day
11  UNICEF Day; International Mountain Day 
14  National Energy Conservation Day 
16  Nirbhaya Day
18  International Migrants Day; Minorities Rights Day (India); Arabic Language Day
20  International Human Solidarity Day
22  National Mathematics Day
23  Farmers’ Day (Birthday of Chaudhary Charan Singh)
25  Good Governance Day (Birthday of AB Vajpayee)