3 Facts about Sunrise and Sunset

1. When  the upper edge of the Sunrise over the horizon, it is termed sunrise. at this moment only a fraction of the circumference of the sun is visible over the horizon. When the sun slowly disappears into the horizon, and you can see only its upper edge, it is the time of sunset, it is also termed sundown.                             2.Concept of  Celestial Equator . To understand the difference between the timing of the sunset and sunrise, this is the first factor  to be considered. The celestial equator is the plane parallel of the equator of the Earth. It is the plan on which the sun seems to journey  around the Earth that rises and sets then again rises and sets. Here, it does not mean that the sun rotates around the Earth.                                               3.Sunrise Sunset in winter. At the beginning of the winter, the path of the sun change and stays completely below the horizon. it means the portion of the path of the sun is greater above the horizon during the night and below the horizon during the day. Thanks for reading.