Article Detail Engineer's Day Answer: 15 September Similar Questions : 1. World Water Day Answer: 22 March 2. Diabetes Day Answer: 14 November 3. World Student's Day Answer: 17 November 4. Nagasaki Day Answer: 9th August 5. Quit India Day Answer: 9th August 6. World Marriage Day Answer: Second Sunday of february 7. Sanskrit Day Answer: 5th September Read more from - Important Days of Year