What are Iran's national days?

Answer 1

These are the official national holidays in Iran:

• 1-4 Farvardin -- Norooz (Persian New Year) (21-24 March 2015)
• 3 Jumada al-Thani -- Martyrdom of Fatima (23 March 2015, 13 March 2016)
• 12 Farvardin -- Islamic Republic Day (1 April 2015)
• 13 Farvardin -- Nature Day (2 April 2015)
• 13 Rajab -- Birthday of Imam Ali (2 May 2015, 21 April 2016)
• 27 Rajab -- The Prophet's Ascension (16 May 2015, 5 May 2016)
• 15 Sha'ban -- Birthday of Imam Mahdi (3 June 2015, 23 May 2016)
• 21 Ramadan -- Martyrdom of Imam Ali (19 July 2014, 8 July 2015)
• 1-2 Shawwal -- Eid-e-Fetr (End of Ramadan) (29-30 July 2014, 18-19 July 2015)
• 25 Shawwal -- Martyrdom of Imam Sadeq (22 August 2014, 11 August 2015)
• 10 Dhu al-Hijjah -- Eid-e-Ghorban (Feast of Sacrifice) (5 October 2014, 24 September 2015)
• 18 Dhu al-Hijjah -- Eid-al-Ghadir (13 October 2014, 2 October 2015)
• 9 Muharram -- Tassoua (3 November 2014, 23 October 2015)
• 10 Muharram -- Ashura (4 November 2014, 24 October 2015)
• 20 Safar -- Arbaeen (13 December 2014, 3 December 2014)
• 28 Safar -- Demise of Prophet Muhammad and Martyrdom of Imam Hassan (21 December 2014)
• 29 Safar -- Martyrdom of Imam Reza (22 December 2014, 12 December 2015)
• 17 Rabi' al-Awwal -- Birthday of Prophet Muhammad and of Imam Sadeq (9 January 2015, 29 December 2015)
• 22 Bahman -- Revolution Day (11 February 2015, 11 February 2016)
• 29 Esfand -- Oil Nationalization Day (20 March 2015)