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- Ecclesiastical_new_moon abstract "An ecclesiastical new moon is the first day of a lunar month (an ecclesiastical moon) in an ecclesiastical lunar calendar. Such months have a whole number of days, 29 or 30, whereas true synodic months can vary from about 29.27 to 29.83 days in length. Medieval authors equated the ecclesiastical new moon with a new crescent moon, but it is not a phase of the true moon. If the ecclesiastical lunar calendar is accurate, the ecclesiastical new moon can be any day from the day of the astronomical new moon or dark moon to two days later (see table).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 lunar month (see table). The fourteenth day of the same lunar month is the first of the calendar year to occur on or next after March 21. This fourteenth day was called the paschal full moon by medieval computists. Easter is the following Sunday.Calendar pages in medieval liturgical books indicated the ecclesiastical new moons by writing the Golden Number to the left of the day of the month on which the ecclesiastical new moon would occur in the year of that Golden Number. In some places the age of the moon was announced daily in the office of Prime at the reading of the martyrology.When in the 13th century Roger Bacon complained about the discrepancy between the ecclesiastical moon and the observed lunar phases, he specifically mentioned the discrepancy involving the ecclesiastical new moon Quilibet computista novit quod fallit primatio per tres dies vel quatuor his temporibus; et quilibet rusticus potest in coelo hunc errorem contemplari. (Any computist knows that the prime [of the moon] is off by three or four days in our time; and any rustic can see this error in the sky.)These complaints were finally addressed by the construction of the Gregorian calendar.".
- Ecclesiastical_new_moon wikiPageExternalLink data.
- Ecclesiastical_new_moon wikiPageExternalLink lunar_almanac.html.
- Ecclesiastical_new_moon wikiPageExternalLink 006.htm.
- Ecclesiastical_new_moon wikiPageID "893522".
- Ecclesiastical_new_moon wikiPageRevisionID "524471253".
- Ecclesiastical_new_moon hasPhotoCollection Ecclesiastical_new_moon.
- Ecclesiastical_new_moon subject Category:Christian_festivals_and_holy_days.
- Ecclesiastical_new_moon type Abstraction100002137.
- Ecclesiastical_new_moon type ChristianFestivalsAndHolyDays.
- Ecclesiastical_new_moon type Festival115162388.
- Ecclesiastical_new_moon type FundamentalQuantity113575869.
- Ecclesiastical_new_moon type Measure100033615.
- Ecclesiastical_new_moon type TimePeriod115113229.
- Ecclesiastical_new_moon comment "An ecclesiastical new moon is the first day of a lunar month (an ecclesiastical moon) in an ecclesiastical lunar calendar. Such months have a whole number of days, 29 or 30, whereas true synodic months can vary from about 29.27 to 29.83 days in length. Medieval authors equated the ecclesiastical new moon with a new crescent moon, but it is not a phase of the true moon.".
- Ecclesiastical_new_moon label "Ecclesiastical new moon".
- Ecclesiastical_new_moon sameAs m.03mgh4.
- Ecclesiastical_new_moon sameAs Q5332273.
- Ecclesiastical_new_moon sameAs Q5332273.
- Ecclesiastical_new_moon sameAs Ecclesiastical_new_moon.
- Ecclesiastical_new_moon wasDerivedFrom Ecclesiastical_new_moon?oldid=524471253.
- Ecclesiastical_new_moon isPrimaryTopicOf Ecclesiastical_new_moon.