Daytime
Period of a day in which a location experiences natural illumination / From Wikipedia, the free encyclopedia
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Daytime as observed on Earth is the period of the day during which a given location experiences natural illumination from direct sunlight. Daytime occurs when the Sun appears above the local horizon, that is, anywhere on the globe's hemisphere facing the Sun. In direct sunlight the movement of the sun can be recorded and observed using a sundial that casts a shadow that slowly moves during the day. Other planets and natural satellites that rotate relative to a luminous primary body, such as a local star, also experience daytime, but this article primarily discusses daytime on Earth.
This article relies largely or entirely on a single source. (March 2021) |
Very broadly, most humans tend to be awake during some of the daytime period at their location, and asleep during some of the night period.