Roman calendar

Definition and stakes

Arthur Berry,  A Short History of Astronomy (1898)

“ The Roman calendar was in early times even more confused than the Greek. There appears to have been at one time a year of either 304 or 354 days; tradition assigned to Numa the introduction of a cycle of four years, which brought the calendar into fair agreement with the sun, but made the average length of the month considerably too short. Instead, however, of introducing further refinements the Romans cut the knot by entrusting to the ecclesiastical authorities the adjustment of the calendar from time to time, so as to make it agree with the sun and moon. ”
Source: Wikisource

Portrait of Theodor Mommsen Theodor Mommsen,  The History of Rome (Volumes 1-5…

“ But the consequence was that this Roman calendar, clearly as it bears traces of the desire that it should harmonize with the course both of sun and moon, in reality by no means so corresponded with the lunar course as did at least on the whole its Greek model, while, like the oldest Greek cycle, it could only follow the solar seasons by means of frequent arbitrary excisions, and did in all probability follow them but very imperfectly, for it is scarcely likely that the calendar would be handled with greater skill than was manifested in its original arrangement. ”
Source: Gutenberg

E. K. Chambers,  The Mediaeval Stage, Volume 1… (1903)

“ The European three-score-day-tide calendar is rather an ingenious conjecture than an ascertained fact of history. When the Germano-Keltic peoples came under the influence of Roman civilization, they adopted amongst other things the Roman calendar, first in its primitive form and then in the more scientific one given to it under Julius Caesar. The latter divided the year into four quarters and twelve months, and carried with it a knowledge of the solstices, at which the astronomy neither of Kelts nor of Germans seems to have previously arrived [379] . ”
Source: Gutenberg

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