 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1852 - 580 pages
...is uniform ; or, in other words, the diurnal rotation of the earth on its axis is strictly uniform. The sidereal hours are counted from 0 to 24, commencing with the instant of the passage of the vernal equinox over the superior meridian, and terminating with its return to the same point. The daily... | |
 | William Schmolz - 1859 - 196 pages
...ascensions of the stars are counted. A Sideral Day is tho interval of time between the transit of the vernal equinox over any meridian, and its next succeeding...the same meridian. It is divided into 24 hours. The sideral hours are counted from 0 to 24, commencing with the instant of the passage of the true vernal... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1866 - 566 pages
...of the stars are counted. _ A Sidereal Day is the interval of lime between the transit of the vernal equinox over any meridian, and its next succeeding...commencing with the instant of the passage of the true venial equinox over the upper meridian, and ending with its return to the same meridian. Solar Time.... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1872 - 548 pages
...regulated to sidereal time. A Sidereal Day is the interval of time between the transit of the vernal equinox over any meridian, and its next succeeding return to the same meridian. It is divided into 21 hours. The sidereal hours arc counted from 0 to ÍÍ4, commencing with the instant of the passage... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1876 - 550 pages
...regulated to sidereal time. A Sidereal Day is the interval of time between the transit of the vernal equinox over any meridian, and its next succeeding...of the true vernal equinox over the upper meridian, und ending with its return to the same meridian. The vernal equinox is not a fixed, but a movable,... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1876 - 552 pages
...regulated to sidereal time. A Sidereal Day is the interval of time between the transit of the vernal equinox over any meridian, and its next succeeding return to the same moriJian. It is divided into 24 hours. The sidereal hours are counted from 0 to 24, commencing with... | |
 | Nautical almanacs - 1883 - 558 pages
...mean solar day; 365J solar days, or a year, being divided into 36&J sidereal days. lt^ ' divided ¡uto 24 hours. The sidereal hours are counted from 0 to 24, commencing with the I instant of the passage of the true vernal equinox over the upper meridian, and ending v, return to... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1884 - 556 pages
...shorter than the mean solar day; 365J solar days, or a year, being divided into 366 sidereal days. It is divided into 24 hours. The sidereal hours are...the true vernal equinox over the upper meridian, and eliding with its return to the same meridian. About March 21st of each year the sidereal clock agrees... | |
 | United States. Congress. House - United States - 1885 - 558 pages
...clocks. EPH 00 — 31 — II A Sidereal Day is the interval of time between the transit of the vernal equinox over any meridian, and its next succeeding return to the same meridian. It is about 3m 56s shorter than the mean solar day ; 365J solar days, or a year, being divided into 366J... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1888 - 556 pages
...shorter than the mean solar day; 365^ solar days, or a year, being divided into 366£ sidereal days. It is divided into 24 hours. The sidereal hours are counted from 0 to 24, commencing willi the instant of the passage of the true vernal equinox over the upper meridian, and ending with... | |
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It is divided into 24 hours. The sidereal hours are counted from 0 to 24, commencing with the instant of the passage of the true vernal equinox over the upper meridian and ending with... 
