The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it...

General Roman Calendar is the liturgical calendar that indicates the dates of celebrations of saints and mysteries of the Lord (Jesus Christ) in the Roman Rite...

over the long term. The term calendar is taken from kalendae, the term for the first day of the month in the Roman calendar, related to the verb calare...

Berbers). The Julian calendar was proposed in 46 BC by (and takes its name from) Julius Caesar, as a reform of the earlier Roman calendar, which was largely...

The Gregorian calendar is the calendar used in most parts of the world. It went into effect in October 1582 following the papal bull Inter gravissimas...

are still the basis of many calendars today and are used to divide the year. Calendars that developed from the Roman calendar system, such as the internationally...

A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. For example, it is the year 2024 as...

Coligny calendar. Nevertheless, the Roman calendar contained very ancient remnants of a pre-Etruscan 10-month solar year. The Roman calendar was reformed...

March (see General Roman Calendar). Both days can thus be said to be their feast day, in different traditions. The General Roman Calendar, which list those...

lists the feast days of the General Roman Calendar as they were at the end of 1954. It is essentially the same calendar established by Pope Pius X (1903–1914)...

National calendars of the Roman Rite of the Catholic Church are lists of saints' feast days and other liturgical celebrations, organized by calendar date...

Antiquity, the Hellenic calendars inspired the Roman calendar, including the solar Julian calendar introduced in 45 BC. Many modern calendar proposals, including...

This article lists the feast days of the General Roman Calendar as approved on 25 July 1960 by Pope John XXIII's motu proprio Rubricarum instructum and...

mensis September was originally the seventh of ten months on the ancient Roman calendar that began with March (mensis Martius, "Mars' month"). It had 29 days...

The Byzantine calendar, also called the Roman calendar, the Creation Era of Constantinople or the Era of the World (Ancient Greek: Ἔτη Γενέσεως Κόσμου...

Julian calendar Pancronometer Pataphysical calendar Pax Calendar Pentecontad calendar Pisan calendar Positivist calendar Revised Julian calendar Roman calendar...

by edict, Julius Caesar reformed the historic Roman calendar to make it a consistent solar calendar (rather than one which was neither strictly lunar...

in AD 525 by Dionysius Exiguus. The Julian calendar, a 45 BC reform of the Roman calendar, was the calendar used by Rome in AD 1. Tiberius, under order...

Calendar reform or calendrical reform is any significant revision of a calendar system. The term sometimes is used instead for a proposal to switch to...

General Roman Calendar was promulgated on 1 January 1970 by Paul VI's Mysterii Paschalis. It is the current version of the General Roman Calendar. While...

A lunisolar calendar is a calendar in many cultures, incorporating lunar calendars and solar calendars. The date of lunisolar calendars therefore indicates...

tenth month of the Roman calendar, following November (novem, "nine") and preceding Ianuarius. It had 29 days. When the calendar was reformed to create...

Sextilis in Latin because it was the 6th month in the original ten-month Roman calendar under Romulus in 753 BC, with March being the first month of the year...

Various ancient Greek calendars began in most states of ancient Greece between autumn and winter except for the Attic calendar, which began in summer....

liturgical calendar in that form of the Roman Rite (see General Roman Calendar) of 1960 differs in some respects from that of the present form of the Roman Rite...

"seven") was originally the seventh month in the oldest known Roman calendar, the calendar of Romulus c. 750 BC, with March being (Latin Martius) the first...

important part in Roman religious life during both the Republican and Imperial eras, and one of the primary features of the Roman calendar. Feriae ("holidays"...

Germanic word probably had a wider meaning prior to the adoption of the Roman calendar, perhaps "succession series", as suggested by Gothic wikō translating...

The Tridentine calendar is the calendar of saints to be honoured in the course of the liturgical year in the official liturgy of the Roman Rite as reformed...

Egyptian calendar consisted of twelve months, each divided into three weeks of ten days, with five intercalary days. The original Roman calendar consisted...