Article Detail National Energy Conservation Day Answer: 14 December Similar Questions : 1. Valentine Day Answer: 14 February 2. Christmas Day Answer: 25 December 3. Mother's Day Answer: Second sunday of May 4. World AIDS Day Answer: 1 December 5. Hiroshima Day Answer: 6th August 6. World Heritage Day Answer: 18 April 7. Tourism Day (India) Answer: 25 January Read more from - Important Days of Year