To. D. are acronymfor Anno Dómini but in capital letters. They mean in the year of the Lord and are equivalent d. C. , after Christ; expression the latter more common. To. D. was put before the date and d. C. postponed. Currently some prefer to avoid the reference to Christianity and talk about the Common Age ( E. C. or e. C. ) or Our Age ( N . E. o n. E. ) . The Royal Academy admits them. The Freemasons said Was Vulgar (E. ?. ) .