Surah Nuh, ayah 5

قَالَ رَبِّ إِنِّي دَعَوۡتُ قَوۡمِي لَيۡلٗا وَنَهَارٗا ٥

Qāla rabbi innī da'awtu qawmī laylan wanahārā

He said, "My Lord, indeed I invited my people [to truth] night and day.