Tir (, ) is the fourth month of the Solar Hijri calendar, which is the official calendar of Iran and Afghanistan. Tir has thirty-one days, spanning parts of June and July in the Gregorian calendar. In Afghan Persian it is called Saraá¹ÂÃÂn (Cancer).
Tir is the first month of summer, and is followed by Amardad. Named after, Tishtrya, a Zoroastrian benevolent divinity associated with life-bringing rainfall and fertility.