List of Important National and International Days & Dates -
1. Important Dates and Days of January  :-
• January 4 :  World Braille Day
• January 9 :  NRI Day
• January 10 :  World Hindi Day
• January 12 :  National Youth Day
• January 15 :  Army day
• January 24 :  National Girl Child Day
• January 25 :  National Voters day
• January 26 :  India’s Republic Day, International Customs Day
• January 30 :  Martyrs’ Day
2. Important Dates and Days of February  :-
• February 4 :  World Cancer Day
• February 6 :  International Day of Zero Tolerance to female Genital Mutilation
• February 7 :  Safer Internet Day (second day of the second week of February)
• February 10 :  National De-worming Day
• February 12 :  National Productivity Day
• February 13 :  World Radio Day
• February 14 :  Valentine Day
• February 20 :  World Day of Social Justice
• February 21 :  International Mother Language Day
• February 24 :  Central Excise Day
• February 28 :  National Science day
3. Important Dates and Days of March  :-
• March 1 :  Zero Discrimination Day
• March 3 :  World Wildlife Day, National  Defence Day
• March 4 :  National Security Day
• March 8 :  International Women’s Day
• March 13 :  No Smoking Day(second Wednesday in march)
• March 15 :  World Disabled Day ; World Consumer Rights Day
• March 18 :  Ordnance Factories Day(India)
• March 21 :  World Forestry Day; World Down Syndrome Day
• March 22 :  World Day for Water
• March 23 :  World Meteorologial Day
• March 24 :  World TB Day
4. Important Dates and Days of April  :-
• April 2 :  World Autism Awareness Day
• April 5 :  International Day for mine Awareness; National Maritime Day
• April 7 :  World Health Day
• April 10 :  World Homeopathy Day
• April 11 :  National Safe Motherhood Day
• April 17 :  World Haemophilia Day
• April 18 :  World Heritage Day
• April 21 :  Secretaries’ Day
• April22 :  Earth Day
• April 23 :  World book and Copyright Day
• April 24 :  National Panchayati Day
• April 29 :  International Dance Day
5. Important Dates and Days of May  :-
• May 1 : Workers’ Day (International Labour Day) , Maharashtra Day
• May 3 :  Press Freedom Day
• May(1st Sunday) :  World Laughter Day
• May (1St Tuesday) :  World Asthma Day
• May (2nd Sunday) :  Mother’s Day
• May 4 :  Coal Miners’ Day; International Firefighters Day
• May 7 :  World Athletics Day
• May 8 :  World Red cross Day
• May 9 :  World Thalassaemia Day
• May 11 :  National Technology Day
• May 12 :  International Nurses Day
• May 15 :  International Day of the Family
• May 17 :  World Telecommunication Day; World Hypertension Day
• May 18 :  World AIDS Vaccine Day
• May 22 :  International Day for Biological Diversity
• May 24 :  Commonwealth Day
• May 31 :  Anti-tobacco Day
6. Important Dates and Days of June  :-
• June 1 :  World Milk Day
• June 4 :  International Day Of Innocent Children Victims Of Aggression
• June 5 :  World Environment Day
• June (3rd Sunday) :  Father’s Day
• June 8 :  World Ocean Day
• June 12 :  Anti-Child Labor Day
• June 14 :  World Blood Donor Day
• June 20 :  World Refugee Day
• June 21 :  International day of Yoga
• June 26 :  International Day against Drug Abuse and Illicit Trafficking
7. Important Dates and Days of July  :-
• July 1 :  Doctor’s Day
• July 6 :  World Zoonoses Day
• July 11 :  World Population Day
• July 18 :  International Nelson Mandela Day
8. Important Dates and Days of August  :-
• August(1st Sunday) :  International Friendship Day
• August 6 :  Hiroshima Day
• August 8 :  World Senior Citizen’s Day
• August 9 :  Quit India Day, Nagasaki Day
• August 15 :  Indian Independence Day
• August 18 :  Intl. Day of the World’s Indigenous Peoples
• August 19 :  Photography Day
• August 29 :  National Sports Day
9. Important Dates and Days of September  :-
• September 2 :  Coconut Day
• September 5 :  Teachers’ Day; Sanskrit day
• September 8 : International Literacy Day
• September 15 :  Engineers’ Day
• September 16 :  World Ozone Day
• September 21 :  Alzheimer’s Day; Day for Peace & Non-violence(UN)
• September 22 :  Rose Day(Welfare of cancer patients)
• September 26 :  Day of the Deaf; World Contraception Day
• September 27 :  World Tourism Day
• September 29 :  World Heart Day
• September :  world rivers day ( Last Saturday of September)
10. Important Dates and Days of October  :-
• October 1 :  International Day for the Elderly
• October 2 :  Gandhi Jayanthi ; International Day of Non-Violence
• October(first Monday) :  World Habitat Day
• October 4 :  World Animal Welfare Day
• October 8 :  Indian Air Force Day
• October 9 :  World Post Office Day
• October 10 :  National Post Day; World Mental Health Day
• October 2nd Thursday :  World Sight Day
• October 13 :  UN International Day for Natural Disaster Reduction 
• October 14 :  World Standards Day
• October 15 :  World Students Day ; World White Cane Day ( guiding the blind)
• October 16 :  World Food Day
• October 24 :  UN Day; World Development Information Day
• October 30 :  World Thrift Day
11. Important Dates and Days of November  :-
• November 5 :  World tsunami day
• November 7 :  National cancer Awareness Day
• November 9 :  Legal Services Day
• November 14 :  Children’s Day; Diabetes Day
• November 17 :  National Epilepsy Day
• November 20 : Africa Industrialization Day
• November 21 :  World Television Day
• November 29 :  International Day of Solidarity with Palestinian People
12. Important Dates and Days of December  :-
• December 1 :  World AIDS Day
• December 2 :  National Pollution Control
• December 3 :  World Day of the Handicapped
• December 4 :  Indian Navy Day
• December 7 :  Indian Armed Forces Flag Day