How Do You Calculate CE And BCE? 2000 BC and 1300 BC = same = subtract = 700 years. 1450 CE and 900 CE = same = subtract = 550 years. 345 BC and 670 AD = different = add = 1,015 years. 780 CE and 1200 BCE = different = add= 1,980 years. How
What Do BC And AD Stand For? 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 of the Lord”, while BC stands for “before Christ”. Why is BC now called BCE? Simply put,