| Dates | Important Days |
| January 1 | Global Family Day |
| January 4 | World Braille Day |
| January 5 | National Birds Day |
| January 6 | World War Orphans Day |
| January 8 | African National Congress Foundation Day |
| January 9 | Pravasi Bharatiya Divas |
| January 10 | World Hindi Day |
| January 11 | Death Anniversary of Lal Bahadur Shastri |
| January 12 | National Youth Day |
| January 13 | Lohri |
| January 15 | Army Day, Makar Sankranti, Pongal |
| January 20 | Penguin Awareness Day |
| January 23 | Netaji Subhash Chandra Bose’s Birthday |
| January 24 | National Girl Child Day |
| January 25 | National Voter’s Day, Indian Tourism Day |
| January 26 | Republic Day of India, International Customs Day |
| January 27 | International Holocaust Day |
| January 28 | Data Protection Day, KM Cariappa Day, Birth Anniversary of Lala Lajpat Rai |
| January 30 | Martyrs’ Day, World Leprosy Eradication Day |
| January 31 | International Zebra Day |
Important Days in February 2025
| Date | Important Days |
| February 1 | Indian Coast Guard Day |
| February 2 | World Wetlands Day |
| February 4 | World Cancer Day |
| February 5-13 | Kala Ghoda Festival |
| February 6 | International Day of Zero Tolerance for Female Genital Mutilation |
| February 6-12 | International Development Week |
| February 8 | Safer Internet Day |
| February 10 | National Deworming Day, World Pulses Day |
| February 11 | International Day of Women and Girls in Science, World Day of the Sick |
| February 12 | Abraham Lincoln’s Birthday, Darwin Day, National Productivity Day |
| February 13 | World Radio Day, Sarojini Naidu’s Birth Anniversary |
| February 14 | Valentine’s Day |
| February 18-27 | Taj Mahotsav |
| February 20 | Arunachal Pradesh Foundation Day, World Day of Social Justice |
| February 21 | International Mother Language Day |
| February 22 | World Thinking Day |
| February 24 | Central Excise Day |
| February 27 | World NGO Day |
| February 28 | National Science Day, Rare Disease Day |
Important Days in March 2025
| Date | Important Days |
| March 1 | Zero Discrimination Day, Self-Injury Awareness Day, World Civil Defence Day |
| March 3 | World Wildlife Day, World Hearing Day |
| March 4 | National Safety Day, Employee Appreciation Day, Ramakrishna Jayanti |
| March 8 | International Women’s Day |
| March 9 | No Smoking Day |
| March 10 | CISF Raising Day |
| March 12 | Mauritius Day |
| March 14 | Pi Day, International Day of Action for Rivers |
| March 15 | World Consumer Rights Day |
| March 16 | National Vaccination Day |
| March 18 | Ordnance Factories Day |
| March 20 | International Day of Happiness, World Sparrow Day, Hindi New Year |
| March 21 | World Poetry Day, World Down Syndrome Day, World Forestry Day |
| March 22 | World Water Day |
| March 23 | World Meteorological Day |
| March 24 | World Tuberculosis Day |
| March 25 | International Day of Solidarity with Detained Staff Members |
| March 26 | Purple Day for Epilepsy Awareness |
| March 27 | World Theatre Day |
| March 29 | Good Friday |
Important Days in April 2025
| Date | Important Days |
| April 1 | Odisha Foundation Day, April Fool’s Day, Prevention of Blindness Week |
| April 2 | World Autism Awareness Day |
| April 4 | International Day for Mine Awareness |
| April 5 | National Maritime Day |
| April 7 | World Health Day |
| April 9 | Ugadi, Gudi Padwa, Telugu New Year |
| April 10 | World Homoeopathy Day |
| April 11 | National Pet Day, National Safe Motherhood Day |
| April 13 | Vaisakhi, Jallianwala Bagh Massacre Remembrance Day, Vishu |
| April 14 | Ambedkar Remembrance Day, Tamil New Year |
| April 15 | Bengali New Year |
| April 17 | World Haemophilia Day |
| April 18 | World Heritage Day |
| April 21 | National Civil Service Day |
| April 22 | World Earth Day |
| April 23 | Hanuman Jayanti, World Book and Copyright Day |
| April 24 | National Panchayati Raj Day |
| April 25 | World Malaria Day |
| April 26 | World Intellectual Property Day |
| April 28 | World Day for Safety and Health at Work |
| April 30 | World Veterinary Day |
Important Days in May 2025
| Dates | Important Days |
| May 1 | International Labor Day, Maharashtra Day, Gujarat Day |
| May 2 | World Asthma Day |
| May 3 | Press Freedom Day |
| May 4 | Coal Miner’ Day, International Firefighter’s Day, World Laughter Day |
| May 7 | World Athletics Day |
| May 8 | World Red Cross Day, World Thalassaemia Day |
| May 9 | Rabindranath Tagore Jayanti |
| May 11 | National Technology Day |
| May 12 | Mother’s Day, International Nurses Day |
| May 15 | International Day of Families |
| May 17 | World Hypertension Day, World Telecommunication Day |
| May 18 | Armed Forces Day, International Museum Day |
| May 21 | Anti-Terrorism Day |
| May 22 | International Day for Biological Diversity |
| May 26 | National Memorial Day |
| May 31 | World Anti-Tobacco Day |
Important Days in June 2025
| Date | Important Days |
| June 1 | World Milk Day, Global Day of Parents |
| June 2 | Telangana Formation Day, International Sex Worker’s Day |
| June 3 | World Bicycle Day |
| June 5 | World Environment Day |
| June 7 | World Food Safety Day |
| June 8 | World Oceans Day, World Brain Tumor Day |
| June 12 | World Blood Donor Day |
| June 15 | World Elder Abuse Awareness Day |
| June 18 | Autistic Pride Day |
| June 21 | International Yoga Day, World Music Day |
| June 23 | International Olympic Day, United Nations Public Service Day |
| June 26 | International Day Against Drug Abuse |
Important Days in July 2025
| Date | Important Days |
| July 1 | National Doctor’s Day, Chartered Accountants’ Day |
| July 2 | World UFO Day |
| July 6 | World Zoonoses Day |
| July 7 | Global Forgiveness Day |
| July 11 | World Population Day |
| July 12 | Malala Day |
| July 13 | National French Fry Day |
| July 17 | World Day for International Justice |
| July 18 | Nelson Mandela International Day |
| July 22 | Pi Approximation Day |
| July 23 | National Broadcasting Day, Chandra Shekhar Azad’s Birth Anniversary |
| July 26 | Kargil Vijay Diwas |
| July 28 | World Hepatitis Day |
| July 29 | International Tiger Day |
| July 30 | International Friendship Day, World Day Against Trafficking in Persons |
Important Days in August 2025
| Date | Important Days |
| August 1 | World Lung Cancer Day, World Breastfeeding Week Begins |
| August 6 | Hiroshima Day |
| August 7 | National Handloom Day, Friendship Day |
| August 9 | Quit India Day, Nagasaki Day, World Elephant Day |
| August 12 | International Youth Day, World Elephant Day |
| August 13 | International Lefthanders Day |
| August 15 | Independence Day of India |
| August 16 | National Roll Over Day |
| August 19 | World Humanitarian Day, Photograph Day |
| August 20 | Sadbhavana Diwas, World Mosquito Day |
| August 23 | International Day for the Remembrance of the Slave Trade |
| August 26 | Women’s Equality Day |
| August 29 | National Sports Day |
Important Days in September 2025
| Date | Important Days |
| September 1 | World Letter Writing Day |
| September 2 | Coconut Day |
| September 5 | Teacher’s Day |
| September 8 | International Literacy Day |
| September 10 | World Suicide Prevention Day, Ganesh Chaturthi |
| September 14 | Hindi Diwas |
| September 15 | Engineer’s Day, International Day of Democracy |
| September 16 | World Ozone Day |
| September 21 | International Day of Peace, World Alzheimer’s Day |
| September 22 | World Rhino Day |
| September 25 | World Pharmacist Day |
| September 27 | World Tourism Day |
| September 29 | World Heart Day |
Important Days in October 2025
| Date | Important Days |
| October 1 | International Day for Older Persons, International Coffee Day |
| October 2 | Gandhi Jayanti, International Day of Non-Violence |
| October 4 | World Animal Welfare Day |
| October 5 | World Teacher’s Day |
| October 8 | Indian Air Force Day |
| October 9 | World Post Day |
| October 10 | World Mental Health Day |
| October 11 | International Day of the Girl Child |
| October 13 | International Day for Disaster Risk Reduction |
| October 14 | World Standards Day |
| October 15 | World Student’s Day, Global Handwashing Day |
| October 16 | World Food Day |
| October 17 | International Day for the Eradication of Poverty |
| October 20 | World Statistics Day |
| October 24 | United Nations Day, World Development Information Day |
| October 31 | National Unity Day, Halloween |
Important Days in November 2025
| Date | Important Days |
| November 1 | Haryana Foundation Day, Karnataka Rajyotsava |
| November 5 | World Tsunami Awareness Day |
| November 7 | Infant Protection Day, National Cancer Awareness Day |
| November 9 | Legal Services Day |
| November 11 | National Education Day |
| November 12 | World Pneumonia Day |
| November 13 | World Kindness Day |
| November 14 | Children’s Day |
| November 17 | National Epilepsy Day, International Students’ Day |
| November 19 | International Men’s Day, World Toilet Day |
| November 20 | Universal Children’s Day |
| November 21 | World Fisheries Day, World Television Day |
| November 25 | International Day for the Elimination of Violence Against Women |
| November 26 | Constitution Day of India |
Important Days in December 2025
| Date | Important Days |
| December 1 | World AIDS Day |
| December 2 | National Pollution Control Day, International Day for the Abolition of Slavery |
| December 3 | International Day of Persons with Disabilities |
| December 4 | Indian Navy Day |
| December 5 | World Soil Day, International Volunteer Day |
| December 7 | Armed Forces Flag Day, International Civil Aviation Day |
| December 9 | International Anti-Corruption Day |
| December 10 | Human Rights Day |
| December 11 | International Mountain Day |
| December 14 | National Energy Conservation Day |
| December 18 | International Migrants Day |
| December 20 | International Human Solidarity Day |
| December 23 | Kisan Diwas |
| December 25 | Christmas Day |
| December 31 | New Year Eve’s |