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Headword: *sa/roi
Adler number: sigma,148
Translated headword: Saros-cycles, saroi
Vetting Status: high
[The saros is] a measure and a number among Chaldeans.[1] For 120 saros-cycles make 2222 years according to the Chaldeans' reckoning, if indeed the saros makes 222 lunar months, which are 18 years and 6 months.
Greek Original:
*sa/roi: me/tron kai\ a)riqmo\s para\ *xaldai/ois. oi( ga\r rk# sa/roi poiou=sin e)niautou\s #22bskb# kata\ th\n tw=n *xaldai/wn yh=fon, ei)/per o( sa/ros poiei= mh=nas selhniakw=n skb#, oi( gi/nontai ih# e)niautoi\ kai\ mh=nes #2#.
"The periodicity and recurrence of eclipses is governed by the Saros cycle, a period of approximately 6,585.3 days (18 years 11 days 8 hours). It was known to the Chaldeans as a period when lunar eclipses seem to repeat themselves, but the cycle is applicable to solar eclipses as well." Fred Espenak, at web address 1.
The calculation given here is not completely accurate. The 18.5 years would have to be years of 12 lunar months. The 120 saros-cycles would make 2220 years.
[1] Hesychius sigma226 says Babylonians. For the Chaldaeans see chi 13 and elsewhere.
Associated internet address:
Web address 1
Keywords: chronology; definition; geography; mathematics; science and technology
Translated by: Catharine Roth on 6 February 2002@18:58:31.
Vetted by:
David Whitehead (added note; cosmetics) on 1 September 2002@06:17:43.
Catharine Roth (augmented note) on 16 November 2007@11:28:30.
David Whitehead (augmented n.1) on 18 November 2007@04:12:48.
David Whitehead (more keywords; tweaking) on 22 December 2013@07:51:40.
Catharine Roth (updated link) on 15 July 2014@00:50:14.
Catharine Roth (tweaked again) on 15 July 2014@00:57:42.
David Whitehead (tr cosmetics) on 15 July 2014@02:46:19.
Catharine Roth (tweaked link) on 30 January 2022@00:50:20.


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