17فَسُبحانَ اللَّهِ حينَ تُمسونَ وَحينَ تُصبِحونَHilali & KhanSo glorify Allah [above all that (evil) they associate with Him (O believers)], when you come up to the evening [i.e. offer the (Maghrib) sunset and ('Isha') night prayers], and when you enter the morning [i.e. offer the (Fajr) morning prayer].