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Callippic

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Callippic
Callippic, a. (kəˈlɪpɪk) [f. Gr. κάλλιππος + -ic.] Of or pertaining to Callippus, a Greek astronomer who lived c 350 b.c. Callippic cycle or Callippic period: a cycle proposed by him as an improvement on the Metonic cycle, consisting of 4 of the latter or 76 years, at the end of which, by omitting o... Oxford English Dictionary
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Callippic cycle
The Callippic calendar originally used the names of months from the Attic calendar. Ptolemy's Almagest provided some conversions between the Callippic and Egyptian calendars, such as that Anthesterion 8, 47th year of the first Callippic wikipedia.org
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Callippus
The Callippic cycle synchronizes days per orbit and rotations per orbit within the Metonic cycle, noting the difference of one after 4 Metonic cycles, The mechanism has a dial for the Callippic cycle and the 76 years are mentioned in the Greek text of the manual of this old device. wikipedia.org
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Calippic
Calippic see callippic. Oxford English Dictionary
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Hipparchic cycle
Calendar cycle Hipparchus proposed a correction to the 76-year-long Callippic cycle, which itself was proposed as a correction to the 19-year-long Metonic wikipedia.org
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period
▪ I. period, n. (ˈpɪərɪəd) Forms: 5 peryod, paryode, 6 peryode, periode, 6– period: see also parody n.2 [a. F. période (14th c. in Hatz-Darm.) = Sp. per{iacu}odo, It. periodo, ad. L. period-us, a. Gr. περίοδος going round, way round, circuit, revolution, cycle of years, periodic recurrence, course, ... Oxford English Dictionary
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Meton of Athens
The Greek astronomer Callippus expanded on the work of Meton, proposing what is now called the Callippic cycle. A Callippic cycle runs for 76 years, or four Metonic cycles. wikipedia.org
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卡里普斯
外部链接 Online Callippic calendar converter as used in Ptolemy's Almagest 希腊天文学家 古希腊天文学家 wikipedia.org
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Antikythera mechanism
Fragment 19 contains significant back door inscriptions including one reading "... 76 years ..." which refers to the Callippic cycle. The Callippic train is driven by b1, b2, l1, l2, m1, m2, n1, n3, p1, p2, and q1, which mounts the pointer. wikipedia.org
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Michael T. Wright (curator)
fragmentary inscriptions suggested that the pointer on the subsidiary dial showed a count of four cycles of the 19-year period, equal to the 76-year Callippic wikipedia.org
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蔀 (中国)
在西方，类似的概念为Callippic cycle。 数学原理 由于回归年与朔望月之最小公倍数并未恰好等于一日长的整数倍，若再取与太阳日之公倍数，则能更妥善的制历，因此出现「蔀」。 量值更迭 在玄始历与大明历前，包括古六历等皆采用一章为章岁十九、章月二百三十五、章闰七。 wikipedia.org
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Saros (astronomy)
Above it the period of Metonic cycle and Callippic cycle are visible too. wikipedia.org
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Axial precession
The Callippic cycle (330 BC) dropped one day from four Metonic cycles (76 years) for an average year of 365+1/4 or 365.25 days. Hipparchus dropped one more day from four Callippic cycles (304 years), creating the Hipparchic cycle with an average year of 365+1/4−1/304 or 365.24671 wikipedia.org
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安提基特拉机械
由英国、希腊和美国专家组成的安提基特拉机械研究计划成员于2008年7月时，在机械上的一个青铜转盘发现了一个字"Olympia"，相信是用来指示卡利巴斯周期（Callippic cycle）；另外也发现了其他古希腊竞赛的名字，因此这可能是用来追踪古代奥林匹克运动会。 wikipedia.org
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Eclipse cycle
Callippic cycle 441 hollow months and 499 full months; thus 4 Metonic cycles minus one day or precisely 76 years of days. wikipedia.org
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