We made the day and night as two signs. So We made the sign of the night devoid of light, and We made the sign of the day ˹perfectly˺ bright, so that you may seek the bounty of your Lord and know the number of years and calculation ˹of time˺. And We have explained everything in detail.

And We have appointed the night and the day as two Ayât (signs etc.). Then, We have obliterated the sign of the night (with darkness) while We have made the sign of the day illuminating, that you may seek bounty from your Lord, and that you may know the number of the years and the reckoning. And We have explained everything (in detail) with full explanation.