15:38
إِلَىٰ يَوْمِ ٱلْوَقْتِ ٱلْمَعْلُومِ
ilā yawmi l-waqti l-maʿlūmi
Until the Day of the time well-known."
— Saheeh International
‘until the Day of the Appointed Time.’
— M. A. S. Abdel Haleem
"Till the Day of the time appointed."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali