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Tomorrow, Sunday, June 16th, 2017, the moon will reach its last quarter at 12:28 pm in the Pacific Time Zone, but the moon sets at 12:04 pm.
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So this is an excellent opportunity to check the angle between the sun and moon, provided it's a clear western sky, and you don't wait too long, when the moon will go down below the horizon.
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If you check the angle at 9, 10, 11 and 12, you'll see if it changes much during those hours.
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Remember that both the moon and the sun traverse the sky, but at different rates. The sun moves faster. And you can look up the number of minutes of a degree it changes every minute, on an average. The rate is not absolutely constant since the rates of the sun and of the moon are not absolutely consistent, but they are generally the same from day to day, and year to year, within a limited range.
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But flat-earthers do not enjoy specific measurements and objective data. They don't like to think about where anyone can expect to find the sun or moon in the sky at a given time and date, for example. They say things like this has nothing to do with Scripture, cannot be found in the Bible, and it smacks of devil worship.
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There is a name for people who ascribe any kind of real objective knowledge to devil worship.
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The astronomers who guided the Three Kings, Melchior, Caspar and Balthazar to Bethlehem must have been practitioners of evil, no?
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