Dating systems history
But if Jesus used a calendar, it would not have been the one we use.
Our calendar is called the Gregorian calendar and was instituted by Pope Gregory XIII in 1582. Quite a few societies have used calendars linked to the years their kings ruled.
But this method is also useful in many other disciplines. According to these systems, we count time backwards Before the Common Era (B. We use this before a date to indicate that we do not know exactly when something happened, so c. “BC” and “AD” are designations given to identify the years within the calendar dating system that is based upon the birth of Christ as its point of origin.Every so often, we hear someone pose the question, “If BC denotes ‘Before Christ’ and AD signifies ‘After Death’, how do we number the years between his birth and death?