nightfall

All day, he sifts sand and hauls broken bricks, halting at nightfall: Batteries for LED lights are too scarce and expensive to keep working into the darkness.

She has to leave home at dawn and doesn't get back until nightfall.

They will be back in action at nightfall, resuming the duels in the sky.

“We hoping that, by nightfall, the bear will move out and back into its habitat,” Gonzalez said.

"We ran once it got dark, while they were busy with security checks. We didn’t stop until nightfall," he recalls.