Sunset
Sun setting in Mumbai
A sunset, which in some American dialects is called a sundown, is the time where the Sun goes below the horizon to the West. It is not dusk, which is the point when darkness begins, which can be sometime after the Sun sets, this begins twilight. The opposite of the sunset is the sunrise.
Sunset Media
Actual sunset: Two minutes before the Sun disappears below the horizon.
Sunset over the Delaware Bay at Sunset Beach, New Jersey, U.S., seen through cirrus clouds
Stages of the twilight period
A video time lapse of a sunset in Tokyo
Evening twilight in Joshua Tree, California, displaying the separation of yellow colors in the direction from the Sun below the horizon to the observer, and the blue components scattered from the surrounding sky
