Income Tax Day (Aaykar Diwas)
Day – July 24
Observed since – 2010
Commemorating – Introduction of Income Tax in India in 1860 by Sir James Wilson
Income Tax Day (Aaykar Diwas)
Day – July 24
Observed since – 2010
Commemorating – Introduction of Income Tax in India in 1860 by Sir James Wilson
National Broadcasting Day
Day – July 23
Commemorating – The establishment of the private radio station 'Indian Broadcasting Company' (IBC) (now All India Radio) in Mumbai in 1927
International Moon Day
Day – July 20
Observed by – UN
Observed since – 2022
Commemorating – First human landing on the Moon (Apollo 11 mission) by Neil Armstrong in 1969
National Flag Adoption Day
Day – July 22
Commemorating – Constituent Assembly's adoption of the tricolour in its current form in 1947
Pi Approximation Day
Day - July 22
Pi symbol designed by - Leonhard Euler
World Population Day
Day – July 11
Theme 2026 – “Realizing the hopes and aspirations of young people – today and for the future”
Observed since – 1990
World Youth Skills Day
Day - 15 July
Theme 2026 - "Skills for a Shared Future"
Observed since - 2015
World Zoonoses Day
Day – July 6
Observed since – 2007
Commemorating – The first Rabies vaccine on a patient named Joseph Meister by the French microbiologist Louis Pasteur
International Day of Cooperatives
Day - 1st Saturday of July (July 4 in 2026)
Theme 2026 - 'Cooperatives for a Peaceful World'
Observed since - 1923
Goods and Services Tax (GST) Day
Day – July 1
Observed since – 2018
National Doctor's Day
Day - July 1
Theme 2026 - Behind the Mask: Who Heals the Healers?
Observed by - Indian Medical Association (IMA)
Observed since - 1991
Commemorating - The birth and death anniversary of Dr BC Roy, a renowned Physician and the second Chief Minister of West Bengal
National Chartered Accountants Day
Day - July 1
Commemorating - Establishment of the Institutes of Chartered Accountants of India (ICAI) in 1949
International Day of Parliamentarism
Day – June 30
Theme 2026 – “The Future of Human Rights is Written in Parliaments”
Observed since – 2018
Commemorating – The founding of the Inter-Parliamentary Union (IPU), established in 1889 in Paris, France
National Statistics Day
Day – June 29
Theme 2026 – "Unlocking the Potential of Administrative Data"
Observed since – 2007
Commemorating – Birth anniversary of Professor PC Mahalanobis, known as the Father of Modern Statistics in India
International Day of Women in Diplomacy
Day – June 24
Theme 2026 – "Diplomacy for All"
Observed since – 2023
Passport Seva Divas
Day – June 24
Observed by – Ministry of External Affairs
Observed since – 2013
Commemorating – The enactment of the Passports Act, 1967
Samvidhaan Hatya Diwas (Constitution Murder Day)
Day – June 25
Observed since – 2024
Commemorating – The declaration of the Emergency in India in 1975
International Olympic Day
Day – June 23
Theme 2026 – 'You Can Do This. Let’s Move'
Observed since – 1948
Commemorating – The day commemorates the founding of the International Olympic Committee (IOC) on 1894 in Paris led by Baron Pierre de Coubertin
World Music Day
Day – June 21
Theme 2026 – "Music for Peace"
Observed since – 1982
Initiated by – Jack Lang and Maurice Fleuret from France
International Day of Yoga
Day: June 21
Theme 2026: 'Yoga for Healthy Ageing'
Observed by: Ministry of AYUSH
Observed since: 2015