 A solar day is the interval of time between two successive upper transits of the sun over the same meridian. The solar time at any instant is the hour angle of the sun at that instant.  Spherical astronomy - Page 51by William Chauvenet - 1874Full view - About this book
 | William Chauvenet - 1864 - 720 pages
...and this instant is sometimes called sidereal noon. 40. A solar day is the interval of time between two successive upper transits of the sun over the...east, the sun appears to have a like motion among the stars, or to be constantly increasing its right ascension ; and hence a solar day is longer than a... | |
 | William Chauvenet - Astronomical instruments - 1864 - 726 pages
...and this instant is sometimes called sidereal noon. 40. A solar day is the interval of time between two successive upper transits of the sun over the...solar time at any instant is the hour angle of the eun at that instant. In consequence of the earth's motion about the sun from west to east, the sun... | |
 | Smithsonian Institution - Mathematical geography - 1897 - 982 pages
...The solar day is the interval between two successive transits of the sun across any meridian ; and the solar time at any instant is the hour angle of the sun at that instant. The solar day begins at any place when the sun is in the meridian of that place. The mean solar day... | |
 | John Huntington Crane Coffin - Nautical astronomy - 1898 - 240 pages
...the sun at any instant is the solar time of that instant. In consequence of the motion of the earth about the sun from west to east, the sun appears to have a like motion among the stars at such a rate that it increases its right ascension daily nearly 1°, or 4m of time. With reference... | |
 | William Wallace Campbell - Spherical astronomy - 1899 - 288 pages
...absolutely uniform, but it is sensibly so. An apparent (or true) solar day is the interval of time between two successive upper transits of the sun over the same meridian. The hour angle of the sun at any_ instant is_the apparentjdme at tFiat instant! It isTeckoned from Qh Q™... | |
 | George Leonard Hosmer - Spherical astronomy - 1903 - 78 pages
...is the interval of time between two successive upper transits of the sun over the same meridian. 22. The Solar Time at any instant is the hour angle of the sun at that instant. The apparent motion of the sun is not uniform, hence, for most purposes we use the time kept by a "... | |
 | Charles Blaney Breed, George Leonard Hosmer - Surveying - 1908 - 482 pages
...transits of the sun over the same meridian. 69. Solar Tune. — The solar time at a given meridian at any instant is the hour angle of the sun at that instant. The apparent angular motion of the sun is not uniform, hence for most purposes we use the time kept... | |
 | Mansfield Merriman - Civil engineering - 1912 - 1506 pages
...given by the equation S •* R + t. If the body is on the meridian, t - o, and for this instant S - R. The SOLAR TIME at any instant is the hour angle of the sun's center. Mean and Apparent Time. The apparent angular motion of the sun is not uniform, hence... | |
 | Mansfield Merriman - Civil engineering - 1920 - 2038 pages
...given by the equation S = R + t. If the body is on the meridian, t — o, and for this instant 5 - R. The SOLAR TIME at any instant is the hour angle of the sun's center. Mean and Apparent Time. The apparent angular motion of the sun is not uniform, hence... | |
 | Charles Blaney Breed, George Leonard Hosmer - Surveying - 1926 - 550 pages
...interval of time between two successive transits of the sun over the same meridian. 69. Solar Time. — The solar time at any instant is the hour angle of the sun's center at that instant. The apparent angular motion of the sun is not uniform, hence for most'... | |
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