Solar elevation. This is the angle between the sun and the horizon. Negative values mean the sun is below the horizon. Azimuth: Solar azimuth. The angle is shown clockwise from north. rising: …

Sunset (or sundown) is the disappearance of the Sun at the end of the Sun path, below the horizon of the Earth (or any other astronomical object in the Solar System) due to its rotation. …

The closer a point in the center, the higher the sun above the horizon. The colors in the above time-slider shows the sunlight during the day. The sun on the time slider can be moved by …

Nautical twilight represents the time the Sun takes a pass from -6° to -12° below the horizon, in this period are distinguished horizon line and the main stars. Astronomical twilight is the time …

In addition, some "ghost" suns are visible below the horizon, as much as 18° down, during which twilight occurs. The pictures can be used for both the northern and the southern hemispheres …

At the North Pole, the sun is above the horizon for six straight months (March through September), spinning around in horizontal circles, reaching a maximum height of 23.5° above …

Astronomical twilight occurs when the Sun is between 12 degrees and 18 degrees below the horizon. Astronomical dawn is the time when the center of the Sun is at 18 degrees below the …

2017年2月15日 · The sunset is defined when the trailing edge of the sun disappears below the horizon, even though refraction means the sun actually went below the horizon some minutes …

2020年1月22日 · Sunset is simply the point that the sun disappears over the horizon. Twilight is the period between sunset and dusk. During twilight there is still light in the sky. There are …

However there are three categories of twilight that are defined by how far the sun is below the horizon. Civil Twilight: Begins in the morning, or ends in the evening, when the geometric …