A report on Common Era and Calendar era

Johannes Kepler first used "Vulgar Era" to distinguish dates on the Christian calendar from the regnal year typically used in national law.

Common Era (CE) and Before the Common Era (BCE) are year notations for the Gregorian calendar (and its predecessor, the Julian calendar), the world's most widely used calendar era.

- Common Era

C.E. (or CE) and B.C.E. (or BCE) – meaning "Common Era" and "Before the Common Era", numerically equivalent to AD and BC, respectively (in writing, "AD" precedes the year number, but "CE" follows the year: AD 1 = 1 CE.) The Latin equivalent vulgaris aera was used as early as 1615 by Johannes Kepler. The English abbreviations C.E. and B.C.E. were introduced in the 19th century by Jewish intellectuals, wishing to avoid the abbreviation for dominus "lord" in implicit reference to Christ. By the later 20th century, the abbreviations had come into wider usage by authors who wished to emphasize secularism.

- Calendar era
Johannes Kepler first used "Vulgar Era" to distinguish dates on the Christian calendar from the regnal year typically used in national law.

4 related topics with Alpha

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Anno Domini inscription at Klagenfurt Cathedral, Austria

Anno Domini

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The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.

The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.

Anno Domini inscription at Klagenfurt Cathedral, Austria
Statue of Charlemagne by Agostino Cornacchini (1725), at St. Peter's Basilica, Vatican City. Charlemagne promoted the usage of the Anno Domini epoch throughout the Carolingian Empire.

This calendar era is based on the traditionally reckoned year of the conception or birth of Jesus, AD counting years from the start of this epoch and BC denoting years before the start of the era.

Terminology that is viewed by some as being more neutral and inclusive of non-Christian people is to call this the Current or Common Era (abbreviated as CE), with the preceding years referred to as Before the Common or Current Era (BCE).

An image showing which century years are leap years in the Gregorian calendar

Gregorian calendar

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Calendar used in most of the world.

Calendar used in most of the world.

An image showing which century years are leap years in the Gregorian calendar
Lunario Novo, Secondo la Nuova Riforma della Correttione del l'Anno Riformato da N.S. Gregorio XIII, printed in Rome by Vincenzo Accolti in 1582, one of the first printed editions of the new calendar.
Memorial plaque to John Etty in All Saints' Church, North Street, York, recording his date of death as 28 January 170 8⁄9
The knuckle mnemonic for the days of the months of the year
Gregorian calendar seasons difference

A calendar date is fully specified by the year (numbered according to a calendar era, in this case Anno Domini or Common Era), the month (identified by name or number), and the day of the month (numbered sequentially starting from 1).

Epoch

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In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era.

The Anno Domini or Common Era system, still in use with the Julian calendar and Gregorians today, marks the Incarnation of Jesus as calculated in the 6th century by Dionysius Exiguus.

Jesus

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Jesus (c.

Jesus (c.

Counter-clockwise from top-right: Hebrew, Aramaic, Greek, Latin, and English transcriptions of the name Jesus
A 3rd-century Greek papyrus of the Gospel of Luke
Adoration of the Shepherds by Gerard van Honthorst, 1622
The Circumcision by Giovanni Bellini, ~1500. The work depicts the circumcision of Jesus.
The Finding of the Saviour in the Temple, by William Holman Hunt, 1860
The Baptism of Christ by John the Baptist, by José Ferraz de Almeida Júnior, 1895
Sermon on the Mount, by Carl Bloch, 1877, depicts Jesus' important discourse
The Exhortation to the Apostles, by James Tissot, portrays Jesus talking to his 12 disciples
Jesus and the rich young man by Heinrich Hofmann, 1889
The Return of the Prodigal Son by Pompeo Batoni depicts the Parable of the Prodigal Son. Jesus told many parables during his ministry.
Jesus cleansing a leper, medieval mosaic from the Monreale Cathedral, late 12th to mid-13th centuries
The Transfiguration of Jesus, depicted by Carl Bloch, 19th century
A painting of Jesus' final entry into Jerusalem, by Jean-Léon Gérôme, 1897
The Last Supper, depicted by Juan de Juanes, c. 1562
A depiction of the kiss of Judas and arrest of Jesus, by Caravaggio, c. 1602
Ecce homo! Antonio Ciseri's 1871 depiction of Pontius Pilate presenting Jesus to the public
Pietro Perugino's depiction of the Crucifixion as Stabat Mater, 1482
Appearance of Jesus Christ to Maria Magdalena by Alexander Andreyevich Ivanov, 1835
A 3rd century depiction of Jesus as the Good Shepherd
Judea, Galilee and neighboring areas at the time of Jesus
A 1640 edition of the works of Josephus, a 1st-century Roman-Jewish historian who referred to Jesus.
Baptism in the Jordan River, the river where Jesus was baptized
The Resurrection of Christ from a 16th-century manuscript of La Passion de Nostre Seigneur
The ethnicity of Jesus in art has been influenced by cultural settings.
The Trinity is the belief in Christianity that God is one God in three persons: God the Father, God the Son (Jesus), and God the Holy Spirit.
Jesus is depicted with the Alpha and Omega letters in the catacombs of Rome from the 4th century.
The name Jesus son of Mary written in Islamic calligraphy followed by Peace be upon him
The Druze maqam of Al-masih (Jesus) in As-Suwayda Governorate.
Enthroned Jesus image on a Manichaean temple banner from c. 10th-century Qocho
Jesus healing a paralytic in one of the first known images of Jesus from Dura Europos in the 3rd century
The Shroud of Turin, Italy, is the best-known claimed relic of Jesus and one of the most studied artifacts in human history.
Jesus depicted as the liberator of Black slaves, on the masthead of the Abolitionist paper "The Liberator".

The world's most widely used calendar era—in which the current year is 2022 AD/CE—is based on the approximate birthdate of Jesus.