Article Detail National Energy Conservation Day Answer: 14 December Similar Questions : 1. Valentine Day Answer: 14 February 2. World Haemophilia Day Answer: 17 April 3. National Energy Conservation Day Answer: 14 December 4. World Non Veg Prevention Day Answer: 25 November 5. National Science Day Answer: 28 February 6. World Non Veg Prevention Day Answer: 25 November 7. Nagasaki Day Answer: 9th August Read more from - Important Days of Year