When Is It Sunset?

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International Tract and Missionary Society · Oakland, California · Jul 1, 1886

FromSigns of the Times, Vol. 12, No. 25.

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When Is It Sunset?

A COLORADO correspondent sends us the following statement of fact and question:—
"I live a mile from the base of a mountain which is from three to five thousand feet higher than where I live. As the mountain is west of us it hides the sun from our view and casts a shadow over us long before it is sunset east of us. Is it sunset when the shadow comes on us while the sun is shining east of us?"
No; it is not sunset until the sun has gone down. When we say that the sun has gone down, we do not mean that it has gone behind a cloud, or that some intervening obstruction keeps its rays from coming direct to our eyes; but we mean that the sun is below the horizon and no longer sheds light upon the part of the earth where we live. If a man should spend the entire day on the east side of a barn, he would not think of calling it sunset at two o'clock in the afternoon, just because he could not see the body of the sun, but he would have as good reason to do so as he would under the circumstances indicated by our correspondent.
If we were to go on the principle that the sun has set when we no longer receive its direct rays, a man living in a deep cañon would have a very short day. As a matter of fact, the sun sets to such a man at exactly the same time that it does to his neighbor who lives on the plain. He can tell when the sun sets, just the same as the man on the plain can when the day is so cloudy that he cannot see the sun at all. The sun sets when it sinks below the horizon, and not when it passes behind a barn or a mountain.