What is the meaning of common era ?
Common Era, abbreviated as CE, is one of the designations for the world’s most commonly used year-numbering system.[1][2] The numbering of years using Common Era notation is identical to the numbering used with Anno Domini (BC/AD) notation, 2010 being the current year in both notations and neither using a year zero.[3] Common Era is also known as Christian Era[4] and Current Era,[5] with all three expressions abbreviated as CE.[6] (Christian Era is, however, also abbreviated AD, for Anno Domini.[7]) Dates before the year 1 CE are indicated by the usage of BCE, short for “Before the Common Era”, “Before the Christian Era”, or “Before the Current Era”.[8] Both the BCE/CE and BC/AD notations are based on a sixth-century estimate for the year in which Jesus was conceived or born, with the common era designation originating among Christians in Europe at least as early as 1615 (at first in Latin).[9] The Gregorian calendar, and the year-numbering system associated with it, is the calendar sy
