CE stands for “common (or current) era”, while BCE
Common Era
Common Era or Current Era, abbreviated CE, is a calendar era that is often used as an alternative naming of the Anno Domini system ("in the year of the Lord"), abbreviated AD. The system uses BCE as an abbreviation for "before the Common (or Current) Era" and CE as an abbreviation for "Common Era".
When does BCE end and CE begin?
Thus, BC (or, BCE) dates backward from the year zero, and AD (or CE) dates forward from the year zero. Thus 323 BC/BCE would be 323 years before the year zero, and 323 AD/CE would be 323 year after the year zero. The “year zero” is the assumed date of the birth of Jesus Christ, and most Western calendars calculate from that date.
What does BCE and CE mean on a timeline?
Common Era (CE) and Before Common Era (BCE) The letters CE or BCE in conjunction with a year mean after or before year 1. Pompeii was founded 600–700 BCE. CE is an abbreviation for Common Era. BCE is short for Before Common Era. The Common Era begins with year 1 in the Gregorian calendar.
Is BCE earlier then CE?
Regarding this, is BCE older than CE? Common Era (CE) is one of the notation systems for the world's most widely used calendar era. BCE (Before the Common Era or Before the Current Era) is the era before CE. The Dionysian era distinguishes eras using AD (anno Domini, "in [the] year of [the] Lord") and BC ("before Christ").
What does (BCE) mean in terms of time and dates?
‘BCE’ means Before Common / Current Era. As with ‘CE’, it removes the explicit reference to Christ, but is still equivalent to ‘BC’ in date. The initials ‘BP’ stand for ‘years before present’.
Which is older BCE or CE?
BCE (Before Common Era) and BC (Before Christ) mean the same thing- previous to year 1 CE (Common Era).
What time date is CE?
CE is an alternative to the AD system used by Christians but the numbering is the same: the year 2022 CE is equally AD 2022 (but usually we just say "the year is 2022"). AD is an abbreviation of the Latin: anno domini, lit. 'year of the lord'.
What age is CE?
'CE' means Common Era, or Current Era. 'CE' is equivalent to 'AD' as a date and places the 'common' or 'current' era as being from the suggested birth of Christ at 1 AD (e.g. Battle of Hastings was in 1066 CE).
Are we in CE years?
CE stands for “Common Era.” It refers to the same years as AD does, just in a more secular way. The year 2022 CE is the same year as 2022 AD. The Gregorian calendar, which is the dating system we use to measure years today, was created by a pope of the Catholic Church.
How many years is a BC?
B.C. stands for "before Christ," meaning before Jesus was born. So 400 B.C. means 400 years before Jesus was born.
What year was Jesus born in numbers?
Using these methods, most scholars assume a date of birth between 6 and 4 BC, and that Jesus' preaching began around AD 27–29 and lasted one to three years. They calculate the death of Jesus as having taken place between AD 30 and 36.
Is 0 CE or BCE?
The dating system was invented by Dionysius Exiguus in 525 CE. By the way, there is no year 0 in the anno Domini dating system. The year 1 BCE immediately precedes the year 1 CE.
When did year 1 start?
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. There is no year zero in this scheme; thus the year AD 1 immediately follows the year 1 BC.
Why Have Some People Adopted BCE/CE?
An important reason for adopting BCE/CE is religious neutrality. Since the Gregorian calendar has superseded other calendars to become the international standard, members of non-Christian groups may object to the explicitly Christian origins of BC and AD. Particularly problematic is AD (“in the year of the Lord”), and its unavoidable implication that the Lord in question is Jesus Christ.
Why are passions so high?
Passions are usually highest among those who see the adoption of a new system as an attempt to write Jesus Christ out of history. They argue that the entire Gregorian Calendar is Christian in nature anyway, so why should we attempt to obscure that fact? Others ask why such a well-established and functional system should be replaced, arguing that the existence of two competing abbreviations is likely to cause confusion.
What is the Gregorian calendar?
The Gregorian calendar is the global standard for the measurement of dates. Despite originating in the Western Christian tradition, its use has spread throughout the world and now transcends religious, cultural and linguistic boundaries. As most people are aware, the Gregorian calendar is based on the supposed birth date of Jesus Christ.
How many years before Jesus was born did he have a birthdate?
It is widely accepted that the actual birth of Jesus occurred at least two years before AD 1, and so some argue that explicitly linking years to an erroneous birthdate for Jesus is arbitrary or even misleading.
What does CE stand for in history?
BCE and CE. CE stands for “common (or current) era”, while BCE stands for “before the common (or current) era”. These abbreviations have a shorter history than BC and AD, although they still date from at least the early 1700s.
When was the idea of counting years?
BC and AD. The idea to count years from the birth of Jesus Christ was first proposed in the year 525 by Dionysius Exiguus, a Christian monk. Standardized under the Julian and Gregorian calendars, the system spread throughout Europe and the Christian world during the centuries that followed. AD stands for Anno Domini, Latin for “in the year ...
When should BC and AD appear?
BC should appear after the numerical year, while AD should appear before it. 1100 BC, AD 1066. BCE and CE should both appear after the numerical year. 1100 BCE, 1066 CE. As is the case with most initialisms, periods may be used after each letter. 1100 B.C.,
Why did Kepler use the BCE/CE?
The usage began when people were questioning received knowledge and forming their own educated opinions about how the world worked and what constituted reliable sources . Kepler uses "vulgar era" at a time period when many institutions and understandings were being questioned and among these would have been how Dionysius arrived at his conclusions regarding the date of the birth of Jesus.
When was Jesus born?
According to the Gospel of Matthew, Jesus was born during the reign of Herod the Great. According to multiple ancient sources, Herod died in 4 BCE. If the Gospel of Matthew is historically accurate, this would mean that Jesus of Nazareth was born on or before 4 BCE—meaning Jesus was born 4 BC (4 years Before Christ)!
Why did non-Christian scholars use the common era?
Non-Christian scholars, especially, embraced the new designations because they could now communicate more easily with the Christian community. Jewish and Islamic, Hindu and Buddhist, scholars could retain their calendar but refer to events using the Gregorian Calendar as BCE and CE without compromising their own beliefs about the divinity of Jesus of Nazareth. Since the BCE/CE designations corresponded to the Christian BC/AD, Christians could correspond back just as clearly. Throughout the 18th and 19th century, "common era" was used frequently with a respectful nod to Christianity in phrases such as "the common era of Christ" or "the common era of the Incarnation" until, by the late 20th century, it again reverted to simply "common era".
What year would follow 1 BC?
The year 1 AD would follow 1 BC without a starting point for the new chronology of events. The BC/AD system, from Dionysius onward, was informed by Christian theology which took for granted that someone (Dionysius) actually knew the birth date of Jesus of Nazareth.
Why is BCE/CE still used?
BCE/CE continues to be used because it is more accurate than BC/AD. Dionysius had no understanding of the concept of zero and neither did Bede. The calendar they dated events from, therefore, is inaccurate. The year 1 AD would follow 1 BC without a starting point for the new chronology of events.
Why is Kepler's "vulgar era" used?
BCE/CE continues to be used because it is more accurate than BC/AD.
Why does Dionysius' dating system have no year zero?
While this dating system does refer to the same event, it does so simply out of necessity because Dionysius' system had been accepted and used for so long in written works. This dating system, like BC/AD, also has no year zero but does not need one because it is not claiming to date history from a specific event.
What is the AD before the date?
By convention, AD appears before the date: AD 223 , or in the year (of the Lord) 223. Don’t enclose the abbreviations in commas. Example. This is a story about the rise and fall of an empire over 500 years: from 300 BC to AD 200.
What is the abbreviation for BCE?
BCE and CE. The abbreviations BCE (before Common Era) and CE (Common Era) are the secular alternatives to BC and AD. This notation system for dates has been in use for centuries and is now the preferred choice in much of scientific and academic writing. Examples.
Why are BC and AD still used?
In writing aimed at a more general audience, BC and AD are still commonly used, presumably because readers are more familiar with these abbreviations. The AP Stylebook for instance recommends the use of BC and AD (but with periods: B.C. and A.D.).
What is the abbreviation for the year of the Lord?
The abbreviations BC (before Christ) and AD ( anno Domini, or in the year of the Lord) are used to label years and centuries. Examples. The Roman era began in the eighth century BC. Alexander the Great died in 323 BC. Rome was the capital of the Roman empire from 27 BC to AD 286.
What is an era?
Eras. An era is a system of dates based on a particular event. The most commonly used Western system of chronology is the Christian Era, which dates from the birth of Jesus Christ and uses the abbreviations BC and AD.
How long did the Iron Age last?
The British Iron Age lasted from 800 BC to AD 100. Hunter-gatherer societies in North America were building monumental mound complexes as early as 3000 BC. Seals dated to 2600 BCE have been found in the basins of the Indus River.
What is the name of the civilization that arose on the mainland under Cretan influence in the 16th century?
The civilization that arose on the mainland under Cretan influence in the 16th century BC is called Mycenaean after Mycenae. — “Aegean Civilizations,” Encyclopaedia Britannica (1999) Chandler’s book includes population data from 2250 BC to AD 1975 in various charts and tables.
When was the vulgar era first used?
The expression has been traced back to 1615, when it first appeared in a book by Johannes Kepler as the Latin: annus aerae nostrae vulgaris ( year of our common era ), and to 1635 in English as " Vulgar Era".
What does the term "before the common era" mean?
A 1759 history book uses common æra in a generic sense, to refer to the common era of the Jews. The first use found so far of the phrase "before the common era" is in a 1770 work that also uses common era and vulgar era as synonyms, in a translation of a book originally written in German.
What is BC in Chinese?
BC is translated into Chinese as 公元前(gōngyuánqián,"Before the Common Era"). In Czech, the "n. l." ( našeho letopočtu which translates as of our year count) and "př. n. l." or "před n. l." ( před naším letopočtem meaning before our year count) is used, always after the year number.
What does OC mean in Welsh?
In Welsh, OC can be expanded to equivalents of both AD ( Oed Crist) and CE ( Oes Cyffredin ); for dates before the Common Era, CC (traditionally, Cyn Crist) is used exclusively, as Cyn yr Oes Cyffredin would abbreviate to a mild obscenity.
What is the common era notation?
Proponents of the Common Era notation assert that the use of BCE/CE shows sensitivity to those who use the same year numbering system as the one that originated with and is currently used by Christians, but who are not themselves Christian.
What is the style guide for the Guardian?
The style guide for The Guardian says, under the entry for CE/BCE: "some people prefer CE (common era, current era, or Christian era) and BCE (before common era, etc) to AD and BC, which, however, remain our style".
What is the common era?
Common Era ( CE) is one of the year notations used for the Gregorian calendar (and its predecessor, the Julian calendar ), the world's most widely used calendar era. Before the Common Era ( BCE) is the era before CE. BCE and CE are alternatives to the Dionysian BC and AD notations, respectively.
What does AH stand for in the Islamic calendar?
They use the abbreviation AH instead of CE or AD, which stands for ‘Year of the Hijra ’. The calendar has 354 days as opposed to the Gregorian 365, and it is currently the year 1441 AH. Believe it or not, one day, the Islamic calendar will overtake the Gregorian one due to its shorter days, but it is not expected to be for another 18,000 years!
Why do people use the term "BCE" instead of "before Christ"?
People will typically use the terms BCE (Before Common Era) instead of Before Christ because there is no connotation with Christianity. Many people may not be religious or specifically Christian. The terms BCE and CE cater to those people.
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Is there another lunar calendar?
There is indeed another lunisolar calendar. This is the Chinese calendar which dates back to the 14 th century BCE. Time is measured in 60-year cycles with this calendar, and in the year 2021 it is the year 4719, and the 37 th year in the cycle.
When to write BC and AD?
You will typically put BC and AD at the end of a date that you are referencing. So if you are talking about an event that happened 50 years before Jesus was born, you will write 50 BC. However, if you discuss years after Jesus was born, you will use the term AD before the year, so we are in the year AD 2021.
Where does the term AD come from?
The term AD comes from the Latin term meaning “ the year of our Lord”.
Is AD 100 the same as 100 CE?
Yes, both years are the same. The only difference is you are changing the semantics or the terms. AD 100 and 100 CE are both 100 years after the birth of Jesus.
Why use BP and BC together?
As the above example from the ORAU shows, the BP date is what is returned during the dating analysis of a material , say a piece of bone. As this measurement is not precise to one exact year, it is given along with the standard deviation: the above example is 30, so the date is 3000+-30 BP. From this a calibrated date is calculated, and given in a range of dates, written as cal BC. So, it is common to write both the radiocarbon date and the calibrated date together: the above example can be written as “3000+-30 BP (1375-1129 cal BC)”.
What is a 5640 BP?
So, for a date of 5000 bp uncalibrated, which is calibrated to, say, 5640 , it would be written as ‘5640 BP’, or ‘5640 cal BP’. This 5640 cal BP can also be written as ‘BC’: 3690 cal BC. This graph from the Oxford Radiocarbon Accelerator Unit (ORAU) ...
What is radiometric dating?
Radiometric dating techniques are those that provide absolute dates based on the decay of radioactive isotopes. Radiocarbon dating was discovered in the 1940s. All living organisms contain the gas Carbon 14 (C14 or 14C). When an organism dies, the 14C slowly decays at a known rate called its “half-life.”.
What does the letter AD mean?
‘AD’ in upper case can mean the date stands for a historical date (e.g. the Battle of Hastings was in AD 1066), or sometimes it means calibrated radiocarbon age in calendar years.
How long does it take for 14C to decay?
The half-life of an isotope like 14C is the time it takes for half of it to decay away. In 14C every 5,730 years half of it is gone. Therefore, if you measure the amount of 14C in a dead organism, you can calculate out how long ago it died.
What is AD 1066?
Also, as ‘CE” is English, the abbreviation is written after the year numbers; so, AD 1066 is equivalent to 1066 CE. The abbreviation is also commonly used after the number of a century or millenium, as in ‘tenth century AD’ or ‘first millenium AD’.
How are radiocarbon dates affected?
They discovered that radiocarbon dates are affected by the amount of carbon in the atmosphere that has fluctuated greatly in the past. In order to be able to calculate how much time has passed since the organism died, you have to be able to know the level of atmospheric carbon level – the radiocarbon ‘reservoir’.

BC and Ad
BCE and CE
- CE stands for “common (or current) era”, while BCE stands for “before the common (or current) era”. These abbreviations have a shorter history than BC and AD, although they still date from at least the early 1700s. They have been in frequent use by Jewish academics for more than 100 years, but became more widespread in the later part of the 20th ce...
Why Have Some People Adopted BCE/CE?
- An important reason for adopting BCE/CE is religious neutrality. Since the Gregorian calendar has superseded other calendars to become the international standard, members of non-Christian groups may object to the explicitly Christian origins of BC and AD. Particularly problematic is AD (“in the year of the Lord”), and its unavoidable implication that the Lord in question is Jesus Chri…
Pushback
- The movement towards BCE/CE has not been universally accepted, and BC/AD is still more widely used, even though BCE/CE has been in the mainstream since the 1980s. There have been backlashes to the adoption of the new system in defence of BC/AD, notably in 2002 when the UK National Curriculum made the transition. In 2011, education authorities in Australia were forced t…
Current Status and Recommendations
- Most style guides do not express a preference for one system, although BC/AD still prevails in most journalistic contexts. Conversely, academic and scientific texts tend to use BCE/CE. Since there are compelling arguments for each system and both are in regular use, we do not recommend one over the other. Given the choice, writers are free to apply their own preference …
History of BC/AD
BC/AD & The Bible: Jesus' Birth
- The only problem with this dating system was that no one knew when Jesus of Nazareth was born. Dionysius himself did not know when Jesus was born and his system makes no claims at dating that event definitively. He seems to have arrived at his calculations through a reliance on scripture and known history of the time to create a Christian calendar which would be acceptabl…
The Common Era
- Dionysius is not responsible for the BC/AD designations, however. He was only interested in dating events from the incarnation of Jesus of Nazareth and this was another aspect of the problem he faced: was one to date Jesus' incarnation from his nativity or from the annunciation? Dionysius also never explains how he resolved this issue. The actual date of Jesus of Nazareth'…
BCE/CE in The Present Day
- The use of BCE/CE in the present day, then, is not an attempt by the "politically correct" to remove Jesus of Nazareth from the calendar but has precedent in history. The usage began when people were questioning received knowledge and forming their own educated opinions about how the world worked and what constituted reliable sources. Kepler uses "...
Overview
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 and Before the Common Era are alternatives to the Anno Domini (AD) and Before Christ (BC) notations used by Dionysius Exiguus. The two notation systems are numerically equivalent: "2022 CE" and "AD 2022" each describe the current year; "400 BCE" and "400 BC" …
History
The year numbering system used with Common Era notation was devised by the Christian monk Dionysius Exiguus in the year 525 to replace the Era of Martyrs system, because he did not wish to continue the memory of a tyrant who persecuted Christians. He numbered years from an initial reference date ("epoch"), an event he referred to as the Incarnation of Jesus. Dionysius labele…
Contemporary usage
Some academics in the fields of theology, education, archaeology and history have adopted CE and BCE notation despite some disagreement. Several style guides now prefer or mandate its use.
In 2002, an advisory panel for the religious education syllabus for England and Wales recommended introducing BCE/CE dates to schools, and by 2018 some local education authorities were using them. In 2018, the National Trust said it would continue to use BC/AD as it…
Rationales
The use of CE in Jewish scholarship was historically motivated by the desire to avoid the implicit "Our Lord" in the abbreviation AD. Although other aspects of dating systems are based in Christian origins, AD is a direct reference to Jesus as Lord.
Proponents of the Common Era notation assert that the use of BCE/CE shows sensitivity to those who use the same year numbering system as the one that originated with and is currently used by
Conventions in style guides
The abbreviation BCE, just as with BC, always follows the year number. Unlike AD, which still often precedes the year number, CE always follows the year number (if context requires that it be written at all). Thus, the current year is written as 2022 in both notations (or, if further clarity is needed, as 2022 CE, or as AD 2022), and the year that Socrates died is represented as 399 BCE (the same year that is represented by 399 BC in the BC/AD notation). The abbreviations are so…
Similar conventions in other languages
• In Germany, Jews in Berlin seem to have already been using words translating to "(before the) common era" in the 18th century, while others like Moses Mendelssohn opposed this usage as it would hinder the integration of Jews into German society. The formulation seems to have persisted among German Jews in the 19th century in forms like vor der gewöhnlichen Zeitrechnung (before the common chronology). In 1938 Nazi Germany the use of this convention …
See also
• Astronomical year numbering
• Before Present
• Calendar
• Calendar reform
• Holocene Era
Notes
1. ^ From the Latin word vulgus, the common people – to contrast it with the regnal year system of dating used by the Government.
2. ^ AD is shortened from anno Domini nostri Jesu Christi ("in the year of Our Lord Jesus Christ").
3. ^ Two other systems that also do not use religious titles, the astronomical system and the ISO 8601 standard, do use a year zero. The year 1 BCE (identical to the year 1 BC) is represented as 0 in the astronomical system, and as 0000 in ISO 8601. Presen…