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Gregorian calendar   /grəgˈɔriən kˈæləndər/   Listen
noun
Calendar  n.  
1.
An orderly arrangement of the division of time, adapted to the purposes of civil life, as years, months, weeks, and days; also, a register of the year with its divisions; an almanac.
2.
(Eccl.) A tabular statement of the dates of feasts, offices, saints' days, etc., esp. of those which are liable to change yearly according to the varying date of Easter.
3.
An orderly list or enumeration of persons, things, or events; a schedule; as, a calendar of state papers; a calendar of bills presented in a legislative assembly; a calendar of causes arranged for trial in court; a calendar of a college or an academy. Note: Shepherds of people had need know the calendars of tempests of state.
Calendar clock, one that shows the days of the week and month.
Calendar month. See under Month.
French Republican calendar. See under Vendemiaire.
Gregorian calendar, Julian calendar, Perpetual calendar. See under Gregorian, Julian, and Perpetual.



adjective
Gregorian  adj.  Pertaining to, or originated by, some person named Gregory, especially one of the popes of that name.
Gregorian calendar, the calendar as reformed by Pope Gregory XIII. in 1582, including the method of adjusting the leap years so as to harmonize the civil year with the solar, and also the regulation of the time of Easter and the movable feasts by means of epochs. See Gregorian year (below).
Gregorian chant (Mus.), plain song, or canto fermo, a kind of unisonous music, according to the eight celebrated church modes, as arranged and prescribed by Pope Gregory I. (called "the Great") in the 6th century.
Gregorian modes, the musical scales ordained by Pope Gregory the Great, and named after the ancient Greek scales, as Dorian, Lydian, etc.
Gregorian telescope (Opt.), a form of reflecting telescope, named from Prof. James Gregory, of Edinburgh, who perfected it in 1663. A small concave mirror in the axis of this telescope, having its focus coincident with that of the large reflector, transmits the light received from the latter back through a hole in its center to the eyepiece placed behind it.
Gregorian year, the year as now reckoned according to the Gregorian calendar. Thus, every year, of the current reckoning, which is divisible by 4, except those divisible by 100 and not by 400, has 366 days; all other years have 365 days. See Bissextile, and Note under Style, n., 7.






Collaborative International Dictionary of English 0.48








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"Gregorian calendar" Quotes from Famous Books



... gradually effected. Julius Caesar reformed the calendar in 46 B.C., the date of the Julian era. This made the year eleven minutes too long. Pope Gregory XIII. corrected the reckoning, in 1582, by ordering Oct. 5th to be called the 15th, and instituted the "Gregorian calendar." The change, or the "New Style," was subsequently adopted by Great Britain (in 1752), and by the other Protestant nations. The difference for the present century between the Old and the New Style is twelve days: during the last century it was eleven. The Julian civil year began with Jan. 1. It ...
— Outline of Universal History • George Park Fisher

... 1: That is, the 18th Germinal in the French revolutionary calendar; April 8th by the Gregorian calendar.) continuing to follow the coast and the various coves upon it, we sighted towards the north-east a long chain of high mountains, which appeared to terminate at the border of the sea. The weariness we ...
— The Life of Captain Matthew Flinders • Ernest Scott

... to Pym and Peters, one of the strangest things in Hili-li was their count of time, which appeared the same as our own. It was not in fact the same, however, though Peters insists that it was; for whilst we, of course, count time according to the Gregorian calendar, the Hili-lites must have counted time according to the Julian calendar. This would have placed the Hili-lites about eleven days in arrear of Pym's count—a difference which, under the circumstances, Peters ...
— A Strange Discovery • Charles Romyn Dake

... is further complicated by the fact that the republicans reckoned An VIII as a leap year, though it is not one in the Gregorian Calendar. Hence that year ended on Sept. 22, and An IX and succeeding years began on Sept. 23. Consequently in the above table of months the numbers of all days from Vendemiaire 1, An IX (Sept. 23, 1800), to Nivose 10, An XIV ...
— The Life of Napoleon I (Volumes, 1 and 2) • John Holland Rose

... most eminent professors filled the chairs: theologians like Suarez and Vasquez; commentators such as Cornelius a Lapide and Maldonatus; founders of national history schools, as Mariana and Pallavicini; Clavius, reformer of the Gregorian Calendar; Kircher, universal in the exact sciences, while the other colleges throughout the world remained provided with their own required forces and maintained ...
— The Autobiography of St. Ignatius • Saint Ignatius Loyola



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