Ironically, considering the system is used to describe precise calendar years, it’s impossible to say exactly when the “A.D.” ...

ALBANY, N.Y. — In a world encouraged to embrace differences, BC and AD are increasingly on the wrong end of the religious sensitivity meter. Educators and historians say schools from North America to ...

許多教科書在講述歷史大事的發生日期時，都習慣使用「BC」和「AD」，讓學生們清楚知道事件是在耶穌基督降生之前還是耶穌基督降生之後發生。 「BC」（Before Christ）代表主前，又可譯作公元前，而「AD」（Anno Domini）則表示主降生之後，即公元。