Article Detail Father's Day Answer: 3rd Sunday of June Similar Questions : 1. Anti Terrorism Day Answer: 21st May 2. World Heritage Day Answer: 18 April 3. Father's Day Answer: 3rd Sunday of June 4. National Technology Day Answer: 11 May 5. Valentine Day Answer: 14 February 6. NRI Day Answer: 9 January 7. Hiroshima Day Answer: 6th August Read more from - Important Days of Year