Dutiyasūriyasutta

sn56.38:1.1 “Mendicants, as long as the moon and the sun don’t arise in the world, no great light or great radiance appears.

sn56.38:1.2 Darkness prevails then, utter darkness.

sn56.38:1.3 Day and night aren’t found, nor months and fortnights, nor seasons and years.