Solar Holidays

March 21-25th NOROOZ (New Year's holidays ).
April 2nd, 13th Day of now Ruz. On this day everyone stays out of doors thus repulsing evil according to an ancient tradition
April 1st Islamic Republic Day
June 4th Death of Imam Khomeini
June 5th National Uprising, 1963
February 11th Victory of Islamic Revolution
March 19th 1950 Oil Industry Nationalized,

13th Rajab Iman Ali's Birthday.
27th Rajab Mission of Holy Prophet.
15th Sha'ban Bithday of Twelfth Imam
21st Ramazan Imam Ali's Martyrdom.
1st Shavval End of Fasting Month.
25th Shavval Martyrdom of Imam Saadeq
11th Zi-Qa'deh Birthday of Imam Reza
10th Zi-Hajeh The Festival of Sacrifices (Qadir)
9th Moharram Taasou'a
10th Moharram Ashura
20th Safarr Arba'in-e Hosseini
28th Safar Death of Prophet, Martyrdom of Imam Hassan.
17th Rabi ol-Avval Birth of Prophet and Imam Saadeq.

Christian, Jewish, and Zoroastrian minorities have their own holidays. December 25 (Christmas) is not a national holiday in Iran.