Article Detail World Ozone Day Answer: 16 September Ad Similar Questions : 1. World Hypertension Day Answer: 12 May 2. World kidney day Answer: 9th March 3. World Haemophilia Day Answer: 17 April 4. Sanskrit Day Answer: 5th September 5. Tourism Day (India) Answer: 25 January 6. World Youth Day Answer: 12 August 7. Hiroshima Day Answer: 6th August Read more from - Important Days of Year