The book Times of Sunrise And Sunset in the United States was written by author Willson, Robert Wheeler, 1853-1922 Here you can read free online of Times of Sunrise And Sunset in the United States book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Times of Sunrise And Sunset in the United States a good or bad book?
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18m. The lower map shows that sunset is at 4. 31. By the same method we find that at Denver the sun rises on the first of January at 8. 20 and sets at 5. 46 ; but as Denver keeps Mountain Time rule 3 requires the subtraction of one hour from these times, making them 7. 20 and 4. 46 respectively. At San Francisco (Pacific Time) sunrise and sunset are at 7. 25 and 5. 02 (two hours have been subtracted as required by rule 3). Rule 4. If no map is given for the date in question take the time \frw&\...$ffel/&Q](f next preceding, and also from the map next following itl$$il%&i date, (l The required time lies between the two values thus found, and is proportionally nearer to that for the nearer date. To illustrate rule 4 we may find the time of sunset at Boston on Jan. 6 as follows : Jan. 1, 3. 23 Central or 4. 23 Eastern Time. Jan. 9, 3. 30. " " 4. 30 " " The difference is 7 minutes or |- minutes per day. The interval from Jan. 1 to Jan. 6 is 5 days, and we must add 5 X |- minutes or 4J- minutes to the time for Jan.
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