Generally speaking, night is defined as the period of darkness between sunset and sunrise.
However, this definition is loosely applied and the term means different things to different people.
Some believe, that it begins with the ending of civil twilight after sunset and ends at the beginning of civil twilight before dawn. This is considered first light and last light by some. So it depends somewhat on who you are talking to and for what reason.
In many cases, state law sets the beginning of night at sunset.
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Generally speaking, night is defined as the period of darkness between sunset and sunrise.
However, this definition is loosely applied and the term means different things to different people.
Some believe, that it begins with the ending of civil twilight after sunset and ends at the beginning of civil twilight before dawn. This is considered first light and last light by some. So it depends somewhat on who you are talking to and for what reason.
In many cases, state law sets the beginning of night at sunset.