When the Sun reaches 18° below the horizon, the illumination emanating from the sky is nearly zero, and evening twilight becomes nighttime. When the Sun approaches re-emergence, …

Twilight is the time between day and night when there is light outside, but the Sun is below the horizon. It occurs when Earth’s upper atmosphere scatters and refracts sunlight, which …

Aug 26, 2025 · Astronomical twilight occurs when the Sun’s center is between 12 and 18 degrees below the horizon. After this point, the faintest stars emerge. The conclusion of this stage of …

In its most general sense, twilight is the period of time before sunrise and after sunset, in which the atmosphere is partially illuminated by the sun, being neither totally dark or completely lit.

Aug 15, 2025 · Twilight is that magical time of day when a glow pervades the air, even though the sun is below the horizon. Earth’s atmosphere scatters the sun’s rays to create the colors of …

Jun 16, 2025 · Twilight occurs when sunlight scatters in the atmosphere, softening the boundary between day and night. It is divided into three phases based on the sun's angle below the …

Oct 17, 2025 · Twilight is a time of the day when the Sun is below the horizon and not visible directly, but partially illuminates the sky. We can see twilight because the Earth has an …

The meaning of TWILIGHT is the light from the sky between full night and sunrise or between sunset and full night produced by diffusion of sunlight through the atmosphere and its dust; …

Nov 1, 2024 · There is something transformational about twilight. When the sun has just set in the west, the sky changes from the vibrant blue of afternoon to a more relaxed hue, as if it’s …

TWILIGHT definition: the soft, diffused light lights from the sky when the sun is below the horizon, either from daybreak to sunrise or, more commonly, from sunset to nightfall.