Prayer › While bowing in prayer (rukooAA)
Dua while bowing (ruku) — glory to my Lord the Supreme
سُبْـحَانَ رَبِّـيَ الْعَظِـيْم (ثلاثاً)
Subḥāna Rabbiy-al-ʿAẓīm (three times)
Translation
How perfect my Lord is, The Supreme. (three times)
When to recite
While bowing (ruku) during prayer.
Source / Reference
Hisnul Muslim 33