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Tir (Persian: تیر‎, Persian pronunciation: [tiːɾ][1]) is the fourth month of the Solar Hijri calendar, which is the official calendar of Iran and Afghanistan.[1] Tir has thirty-one days,[1] spanning parts of June and July in the Gregorian calendar[citation needed].

Tir is the first month of summer, and is followed by Mordad.[1]


  • 14 - 1155 - United States Congress adopts the Declaration of Independence.



  1. ^ a b c d "Months and Seasons - Persian Vocabulary". 2014. Retrieved September 8, 2014.