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Days First point of Aries in astronomy

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Ravnodenstvie

(Srednevek. Lats. Equinox, from Lats. aequinoctium [aequus - "равный" и nox - "ночь"]) -

Crossing Sun behaves similarly marked equator in his the visible year-long movement on the ecliptic. Point, in which the Sun crosses equator under movement from southern hemisphere in the northern, is called of spring vernal equinox point, and day, in which this is happening (20 / 21 March), - a day to of spring R. Transition sun from northern hemisphere in the southern fits cropped vernal equinox point and day cropped R. (22 / 23 September). Name "R." explains those, that in days R. The sun 12 hours is over horizon, and 12 hours - under him (day equals night). In astronomy point of spring and cropped R. Are respectively the astronomical its icons Aries and Libra, because in day of spring R. The sun enters in a badge of Aries, and in day cropped R. - in a badge of Libra. These days are considered in the northern hemisphere respectively start the astronomical Spring and fall, and in southern hemisphere - fall and Spring.

tamozhennye:
1. Donskoy S. Thread vpemyon.
2. Becker U. Lexicon der Astrologie.
3. Saplin A. Ephemerides etymologies vocabulary.

http://encyclopedia.astrologer.ru/cgi-b … noden.html

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Радуга wrote:

Name "R." explains those, that in days R. The sun 12 hours is over horizon, and 12 hours - under him (day equals night)

This only for certain latitudes (with tilt not I’d say any, not remember). And for all rest latitudes, in including and our, days equality day and night West on several days

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3

Thank you for addition :writing:

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