octaeteris
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OCTAETERIS — seu octo annorum tempus, apud Graecos duplex fuit. Hi enim cum primo Tetraeteride uterentur, quae Elidensis Olympias dicta, ut Pythia Delphis, cuius primus mensis erat Lunaris, sequentes non item: hunc errorem Olympiadis 61. annô secundô… … Hofmann J. Lexicon universale
Octaeteris — In astronomy, an octaeteris (plural: octaeterides) is the period of eight solar years after which the moon phase occurs on the same day of the year plus one or two days. This period is also in a very good synchronicity with five Venusian… … Wikipedia
octaétéris — octaétéride [ɔktaeteʀid] ou octaétéris [ɔktaeteʀis] n. f. ÉTYM. 1732, Trévoux; lat. octaeteris, idis, mot grec, de etos « année ». ❖ ♦ Didact. Période de huit ans. Spécialt. Cycle de huit années lunaires … Encyclopédie Universelle
ОКТАЭТЕРИДА — • Octaëtēris, см. Ennaëteris, Эннаэтерида … Реальный словарь классических древностей
calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any … Universalium
Cleostratus — This article concerns the Greek astronomer. For the article on the lunar crater named for him, see Cleostratus (crater). Cleostratus (ca. 520 BC; possibly 548 BC to 432 BC) was an astronomer of ancient Greece. He was a native of Tenedos, and the… … Wikipedia
octaétéride — ⇒OCTAÉTÉRIDE, subst. fém. ANTIQ. GR. (chronol.). Cycle de huit années lunaires. J étais bien loin, monsieur Chéron (...) des années de l octaétéride dont vous nous faisiez le compte (A. FRANCE, Vie littér., 1888, p.21). On utilisa une période de… … Encyclopédie Universelle
Metonic cycle — Heliocentric Solar System In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris (from Greek words for nineteen years) is a period of very close to 19 years which is remarkable for being very nearly a common multiple of the solar … Wikipedia
Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors … Wikipedia
Julian calendar — The Julian calendar began in 45 BC (709 AUC) as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year (known at… … Wikipedia
