| John Ewing - 1809 - عدد الصفحات: 672
...much facilitated by the invention of certain cycles, of which the following are the most remarkable. The Cycle of the Sun, is a period of 28 years, after which the same day of the month returns on the same day of the week, and the dominical letters return in the... | |
| John Dougall - 1810 - عدد الصفحات: 660
...important are the cycles of the sun and the moon. The solar cycle consists of 28 years, in which time the days of the month return to the same days of the week, as at the beginning of the cycle; the sun'* placeto the samepoint of theecliptic, andtheleap years... | |
| Thomas Pruen - 1820 - عدد الصفحات: 348
...reference to the apparent motion of the Sun. This Cycle consists of 28 years; after the revolution of which, the days of the month return to the same days of the week. The rule in this case is,—To the given year add 9, divide the sum by 28, and the remainder, if any,... | |
| Daniel Jaudon - 1820 - عدد الصفحات: 236
...public festivity. Q. What is a cycle of the sun? A. A period of twenty-eight years; in which time, the days of the month return to the same days of the week; the sun's place, to the same signs and degrees of (he ecliptic; and the commencement of the leap-years,... | |
| John Robison - 1822 - عدد الصفحات: 852
...year of our Lord was the second of this cycle. The solar cycle is 28, being the number of years in which the days of the month return to the same days of the week. As the year contains fifty-two weeks and one day, the first day of the year (or any day of any month)... | |
| Walter Hamilton - 1825 - عدد الصفحات: 468
...CYCLE, the LUNAR. In Astronomy, a period of nineteen years. CYCLE, the SOLAR. A period of twenty-eight years, after which the days of the month return to the same days of the week. CYCLIDIUM. In Natural History, a genus of worms, invisible to the naked eye. CYCLOID (from xux\»3ns.)... | |
| Noah Webster - 1839 - عدد الصفحات: 262
...been used by astronomers and historians. The Cycle of the sun is a period of twenty-eight years, in which the days of the month return to the same days of the week, and the sun's place to the same signs and degrees of the ecliptic, on the same months and days. The... | |
| Adam Thomson - 1842 - عدد الصفحات: 240
...Indiction — The Uionysian Period. The word cycle is derived from the Greek, and signifies circle. A cycle of the sun is a period of 28 years, after which the days of the week again fall on the same days of the month, as during the first year of the former cycle. The cycle... | |
| William Trollope - 1846 - عدد الصفحات: 142
...of the year. 16. What is the Solar Cycle? A period of (4 x 7 = ) 28 years must clearly elapse before the days of the month return to the same days of the week, bringing about the same course of Sunday Letters. This period is called the Solar Cycle. 17. Why does... | |
| Thomas Keith - 1848 - عدد الصفحات: 486
...I. 17 XXVI. 3 XXII. 8 XVII. 13 XII. 18 VH. 4 III. 9 XXVIII. 14 XXIII. 19 XVHL 5 XIV. 10 IX. 15 IV. III. The Cycle of the Sun is a period of 28 years,...the sun, its chief use being to find the Dominical Letters. In order to connect the days of the week with the days of the year, the first seven letters... | |
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