He has committed the sun and the moon in your service, continuously. He has committed the night and the day to serve you.
وَسَخَّرَ لَكُمُ الشَّمسَ وَالقَمَرَ دائِبَينِ وَسَخَّرَ لَكُمُ الَّيلَ وَالنَّهارَ
wa sakhkhara lakumush shamsa walqamara daaa’ibaini wa sakhkhara lakumul laila wannahaar