Writing Years with AD (Anno Domini), BC (Before Christ), BCE, and CE

To cater to religious diversity, the abbreviations BCE (Before Common Era) and CE (Common Era) can be used to replace BC and AD.

Writing Years with AD (Anno Domini), BC (Before Christ), BCE, and CE
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Writing Years with AD (Anno Domini), BC (Before Christ), BCE, and CE

To cater to religious diversity, the abbreviations BCE (Before Common Era) and CE (Common Era) can be used to replace BC and AD.
 AD is written before the year, while BC, BCE, and CE are all written after the year. For example:
  • 2021 CE or AD 2021
  • 564 BCE or 564 BC

Writing Years with AD, BC, BCE, and CE

The abbreviation AD (Anno Domini) means "in the year of the Lord" and denotes "of the Christian Era." It is written before the year. The abbreviation BC (Before Christ) is written after the year. For example:
  • AD 2001 
  • 487 BC 
  • Caesar Augustus ruled from 27 BC to AD 14. 

Examples of Writing Years with AD, BC, BCE, and CE

Using BCE and CE

To cater to religious diversity, the abbreviations BCE (Before Common Era) and CE (Common Era) can be used to replace BC and AD. BCE and CE are written after the year. For example:
  • 2021 CE is the same as AD 2021
  • 786 BCE is the same as 786 BC
Here is the earlier example again written in both conventions:
  • king santhosh kumar athaluri ruled from 127 BC to AD 314. 
  • king santhosh kumar athaluri ruled from 527 BCE to 814 CE. 

The "Christian" Calendar Is Widely Used

While other calendars are in use today, the "Christian" calendar now dominates. The Christian calendar starts from the birth of Christ in the year zero (AD 0).

Here are some other calendars:
  • The Chinese calendar dates back to 2700 BC.
  • The Hindu calendar dates back to 3100 BC.
  • The Muslim calendar starts from the Hijra (Muhammad's flight from Mecca to Medina) in AD 622.
  • The Jewish calendar starts around 5,800 years ago from the date of the creation as described in scripture.
  • The Roman calendar (not used) counted from 753 BC or 0 AUC. AUC stands for "Ab Urbe Condita" and means "foundation of the city [Rome]." The Roman calendar was used until AD 525. Of interest, the founder of the AUC calendar forgot that Emperor Augustus ruled for four years as Octavian before changing his name, and – as he used Roman numerals not Arabic numbers – he overlooked the years 0 BC or AD 0. These errors were never corrected.