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Inter gravissimas. Inter gravissimas (English: "Among the most serious...") was a papal bull issued by Pope Gregory XIII on 24 February 1582. [1] [2] The document, written in Latin, reformed the Julian calendar. The reform came to be regarded as a new calendar in its own right and came to be called the Gregorian calendar, which is used in most ...
Calendarul gregorian este varianta de calendar cu cea mai mare răspândire. Este o modificare a calendarului iulian anterior, în conformitate cu propunerea medicului și astronomului calabrez Luigi Lilio, care a participat la comisia prezidată de profesorul astronom iezuit Christophorus Clavius, de la Colegiul Roman, împreună cu matematicianul și astronomul sicilian Giuseppe Scala și ...
Kalender Gregorius atau Kalender Gregorian adalah kalender yang sekarang paling banyak dipakai di Dunia Barat. Ini merupakan modifikasi Kalender Julius. Yang pertama kali mengusulkannya ialah Dr. Aloysius Lilius dari Napoli - Italia, dan disetujui oleh Paus Gregorius XIII, pada tanggal 24 Februari 1582. Penanggalan tahun kalender ini, berdasarkan tahun Masehi .
The history of calendars covers practices with ancient roots as people created and used various methods to keep track of days and larger divisions of time. Calendars commonly serve both cultural and practical purposes and are often connected to astronomy and agriculture . Archeologists have reconstructed methods of timekeeping that go back to ...
グレゴリオ暦 （グレゴリオれき、 羅: Calendarium Gregorianum 、 伊: Calendario gregoriano 、 英: Gregorian calendar ）は、 ローマ教皇 グレゴリウス13世 が ユリウス暦 の改良を命じ、 1582年 10月15日 金曜日 （グレゴリオ暦） [注釈 1] から行用されている 暦法 である ...
A perpetual calendar employs a table for finding which of fourteen yearly calendars to use. A table for the Gregorian calendar expresses its 400-year grand cycle: 303 common years and 97 leap years total to 146,097 days, or exactly 20,871 weeks. This cycle breaks down into one 100-year period with 25 leap years, making 36,525 days, or one day ...
Proleptic Gregorian calendar. The proleptic Gregorian calendar is produced by extending the Gregorian calendar backward to the dates preceding its official introduction in 1582. In nations that adopted the Gregorian calendar after its official and first introduction, dates occurring in the interim period of 15 October 1582 (the first date of ...
