dusk

When in the woods people are advised to make noise, to attach bells to bags, and not to hike alone -- especially at dusk and dawn.

By Sunday morning rain will have moved into Northern Ireland and will then progress eastwards to all but East Anglia and southeast England by dusk.

Even in normal times, the national park's dizzying heights and picturesque remote valleys are irresistible to enthusiasts, who make clandestine jumps at dawn or dusk.

When magnetic energy from the sun enters Earth's magnetic field, it moves clockwise on the dusk side of the planet and channels toward the poles.

At dusk, worshippers stood waist-deep in the river's brown waters to offer prayers to the sun god Surya as the setting orb sank into the haze blanketing New Delhi's skyline, marking the annual Chhath festival.