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" A Solar Day is the interval of time between two successive transits of the sun over the same meridian; and the hour-angle of the sun is called Solar Time. "
Outline of the Method of Conducting a Trigonometrical Survey, for the ... - Page 169
by Edward Charles Frome - 1850 - 253 pages
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Notes on the Properties of Matter and Heat

Exum Percival Lewis - 1903 - 216 pages
...quantities are those of time, length, and mass. Time.—The natural unit of time is the solar day, or the interval between two successive transits of the sun over the same meridian; this, however, varies in length according to the position of the earth in its orbit. The average length...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1911 - 786 pages
...True or Apparent Solar Time is measured by the diurnal motion of the Sun, the length of the day being the interval between two successive transits of the Sun over the same meridian, and the time of day being the hour-angle of the Sun westward from the meridian. Owing to the obliquity...
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Topographic, Trigonometric and Geodetic Surveying: Including Geographic ...

Herbert Michael Wilson - 1912 - 1014 pages
...vernal equinox transits across the meridian. It includes 24 hours, numbered consecutively from zero. An apparent solar day is the interval between two successive transits of the sun across the meridian. The apparent solar time for any station of observer and any instant is the hour-angle...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1915 - 798 pages
...True or Apparent Solar Time is measured by the diurnal motion of the Sun, the length of the day being the interval between two successive transits of the Sun over the same meridian, and the time of day being the hour-angle of the Sun westward from the meridian. Owing to the obliquity...
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Time Measurement: An Introduction to Means and Ways of Reckoning and ...

Lyndon Bolton - 1924 - 200 pages
...on both occasions. Similarly, refraction delays the apparent setting. The True Solar Day. The true solar day is the interval between two successive transits of the sun, and true solar noon is the instant of transit of the sun's centre. Reference to the model will show,...
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The American Nautical Almanac

1912 - 554 pages
...True or Apparent Solar Time is measured by the diurnal motion of the Sun, the length of the day being the interval between two successive transits of the Sun over the same meridian, and the time of day being the hour-angle of the Sun westward from the meridian. Owing to the obliquity...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - 1872 - 554 pages
...Time. — Solar Time is measured by the daily motion of the sun. A Solar Day is the interval of time between two successive transits of the sun over the same meridian ; and the hour angle of the sun is called Solar Time. This is the most natural and direct measure of time....
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Firefly Astronomy Dictionary

John Woodruff - 2003 - 270 pages
...power. day The time taken by the Earth to rotate once on its axis. There are various definitions. An apparent solar day is the interval between two successive transits of the Sun across the meridian. This interval is variable because the Sun's apparent motion throughout the year...
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The American Ephemeris and Nautical Almanac

1887 - 558 pages
...ordinary life, and is measured by the daily motion of the sun. A Solar Day is the interval of time between two successive transits of the sun over the same meridian ; and the hour-angle of the sun is called Solar Time. This is the most natural and direct measure of time....
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Training Regulations: TR.

United States. War Department - 576 pages
...another. FIG. 3. — Effect of the orbital motion of the earth on time. 14. Apparent time. — a. An apparent solar day is the interval between two successive transits of the real sun across the same meridian. The occurrence of day and night is caused by the earth's rotation...
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