Obviously at 400 feet it's really quite dark but at the surface it starts off being very very light, even without a mask I can tell that.

BBC: Breakfast with Frost

The asteroid's position was very close to the sun, so astronomers had to observe it when the sky was dark.

CNN: Phew! Asteroid to miss Earth in 2040, NASA says

"It's not very good, especially this time of year when we're having to walk to work in the dark, complete darkness, " Ms Twogood said.

BBC: Dorset midnight street light switch-off to continue