AD stands for Anno Domini, Latin for “in the year of the Lord”, while BC stands for “before Christ”.

What is 2020 BC or AD?

To cater to religious diversity, the abbreviations BCE (Before Common Era) and CE (Common Era) can be used to replace BC and AD. Of note, AD is written before the year, while BC, BCE, and CE are all written after the year. For example: 2020 CE or AD 2020.

Which year AD and BC started with?

There is no year zero in this scheme; thus the year AD 1 immediately follows the year 1 BC. This dating system was devised in 525 by Dionysius Exiguus of Scythia Minor, but was not widely used until the 9th century.

How are dates written in BC and AD?

Position. BC, BCE, and CE come after the year. Write or say 300 BC or 300 before Christ, 300 BCE or 300 before common era, and 2015 CE or 2015 common era. However, AD comes before the year, so write or say AD 2015 or anno Domini 2015.