| Louis Braille Day | 4th January |
| Rational Youth Day (Birthday of Swami Vivekanand) | 12th January |
| Army Day | 15th January |
| Internarional Customs and Excise Day | 25th January |
| Tourism Day (India) | 25th January |
| Republic Day (India) | 26th January |
| Sarvodaya Day | 30th January |
| World Radio Day | 13th February |
| Valentine Day | 14th February |
| International Mother Tongue Day | 21st February |
| Central Excise Tax Day | 24th February |
| National Science Day | 28th February |
| National Safety Day (Security of Industrial Institutions) | 4th March |
| International Women's Day | 8th March |
| World Kidney Day | 9th March |
| World Forestry Day | 21st March |
| World Water Day | 22nd March |
| Bhagatat Singh, Sukhdev and Rajguru's Martyrdam Day | 23rd March |
| World TB(Tuberculosis) Day | 24th March |
| National day of Bangladesh | 26th March |
| World Health Day | 7th April |
| World Homeopathy Day (Birth day of Samuel Hanimen) | 10th April |
| World Aeronautics and Cosmology Day | 14th April |
| Ambedkar's Birth Anniversary | 14th April |
| World Heritage Day | 18th April |
| Indian Civil Service Day | 21st April |
| Earth Day | 22nd April |
| World Books and Copyright Day | 23rd April |
| International Labour Day (Worker's Day or May Day) | 1st May |
| World Press Freedom Day | 3rd March |
| Mother's Day | 2nd Sunday of May |
| World Migratory Birds Day | 8th May |
| National Technological Day | 11th May |
| International Nurse Day | 13th May |
| International Family Day | 15th May |
| World Telecomunication Day | 17th May |
| Anti-Terrorism Day | 21st May |
| World Biodiversity Day | 23rd May |
| Commonwealth Day | 24th May |
| World Anti-Tobacco (and No-smoking) Day | 31st May |
| World Environment Day | 5th June |
| International Olympic Association Establishment Day | 6th June |
| Father's Day (in many countries) | 3rd Sunday of June |
| International Day (UN) against Drug Abuse and Illicit Trafficking | 27th June |