Commemoration of the death of the Prophet Muhammad and Imam Sadegh in Iran
Commemoration of the death of the Prophet Muhammad and Imam Sadegh in Iran is held on February 21. This event in the third decade of the month february is annual.
Yalda Night on December 21 (شب يلدا Shab-e Yalda, Shab-e Chelle - Persian festival held on the longest and darkest night of the year. Celebrated in Iran, Afghanistan and Tajikistan);
Engineer's Day in Iran on February 23 (This day is celebrated to respect Nasir al-Din al-Tusi, Iranian scientist);
Father's Day in some Islamic countries on February 25 (Iran, Kuwait, Bahrain, Iraq, Oman, Qatar, Egypt, Yemen, Syria, Lebanon, Somalia, Sudan, Mauritania is celebrated on the 13th day of the month of Rajab);
Sizdah Be-dar in Iran on April 2 (celebrated on the 13th day after vernal equinox);