Mordad is the fifth month of the Iranian civil calendar of 1925

Iranian calendar

The Iranian calendars or sometimes called Persian calendars are a succession of calendars invented or used for over two millennia in Greater Iran...

. Mordad has 31 days and in more years begins on 23 July and ends on 22 August. In some years, Mordad begins on 22 July and ends on 21 August. Mordad is the second month of summer after Teer, and is followed by Shahrivar.

The name 'Mordad' derives from Middle Persian 'Amurdad' from Avestan

Avestan language

Avestan is an East Iranian language known only from its use as the language of Zoroastrian scripture, i.e. the Avesta, from which it derives its name...

 'Ameretat

Ameretat

' is the Avestan language name of the Zoroastrian divinity/divine concept of "not dying." As the hypostasis of immortality, Ameretat is the Amesha Spenta of long life on earth and perpetuality in the hereafter....

', the Zoroastrian divinity of "immortality", and under whose protection the month stands.
Also is the name of Iranian Company founded in 2007.