Irmos: Perceiving the inscrutable counsel of God,—the Incarnation of Thee, the Most High, from the Virgin—the Prophet Habbakuk cried aloud: Glory to Thy power, O Lord!
Theotokion: Strange is thy birthgiving, as thine honorable dormition hath likewise been shown to be, O all-immaculate and blessed one. Thy city honoreth it, through thy fervent intercession escaping the harm wrought by the alien foe.
In that the glorious martyr Diomedes bore the word of divine understanding in his heart, like a river he inundated the torrents of deception, and utterly drowned the might of the idols.
The most wise martyr Diomedes shone forth upon the earth like the sun with rays of the virtues and the richness of miracles, and he hath enlightened the councils of the Orthodox faithful.
Thy temple hath been shown to be healing without cost for those who have recourse unto it with faith, O all-blessed one, and a mighty rampart for the Imperial City, repelling the invasions of the alien foe.
Translated by Isaac Lambertsen. Edition menaion.en.lambertsen.