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The Astronomical Almanac [1] is an almanac published by the United Kingdom Hydrographic Office; it also includes data supplied by many scientists from around the world.On page vii, the listed major contributors to its various Sections are: H.M Nautical Almanac Office, United Kingdom Hydrographic Office; the Nautical Almanac Office, United States Naval Observatory; the Jet Propulsion Laboratory ...
In [Astronomical Algorithms], the 'B.C.' years are counted astronomically. Thus, the year before the year +1 is the year zero, and the year preceding the latter is the year −1. The year which historians call 585 B.C. is actually the year −584. The astronomical counting of the negative years is the only one suitable for arithmetical purpose.
Sagan goes on to extend the comparison in terms of surface area, explaining that if the Cosmic Calendar were scaled to the size of a football field, then "all of human history would occupy an area the size of [his] hand". [3] A similar analogy used to visualize the geologic time scale and the history of life on Earth is the Geologic Calendar.
February 26, 2008 02:34:04 Mercury 1°20' north of Venus 26.1° West March 6, 2008 20:14:29 Venus 36' south of Neptune 24° West March 9, 2008 02:48:02 Mercury 56' south of Neptune 26.2° West March 23, 2008 10:13:50 Mercury 1°03' south of Venus 20.3° West March 27, 2008 17:00:46 Venus 45' south of Uranus 18.6° West June 8, 2008 00:51:42
alone: Display only the number of years and the calendar era according to the |main= parameter : E.g.: "AUC 964" number: Display only a natural number without any era: If |1= is a Gregorian year, the number returned equals the value of that year in the astronomical calendar plus 753; if |1= is an year Ab Urbe Condita, the number returned equals exactly the value of that year in the ...
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The ecclesiastical calendar valid for the Julian and Gregorian calendar are described in detail by Grotefend, [1] Ginzel [2] and in the Explanatory Supplement to The Astronomical Ephemeris. [ 3 ] The ecclesiastical new moon which falls on or next after March 8 is of special importance, since it is the paschal new moon that begins the paschal ...
It has been suggested that the word almanac derives from a Greek word meaning calendar. [2] However, that word appears only once in antiquity, by Eusebius who quotes Porphyry as to the Coptic Egyptian use of astrological charts (almenichiaká). The earliest almanacs were calendars that included agricultural, astronomical, or meteorological data.