Èquinoxe
A lonely Minecraftian strolled into the night. Not a single monster was in sight. Checking their clock, it should be noon now but it is dark as midnight. Looking up to the sky, the Minecraftian saw where the sun should be and instead found a gigantic but thin rectangle. They remembered this phenomenon being called an eclipse. That would explain the darkness without monsters. The Minecraftian stared at it for a while until the sun began to peek through again.