What is A.D and B.C?

If you have read an old book or a classic you would have come across the abbreviations A.D and B.C at some point. Well, if you don’t know what it means, you have come to the right place.

So what are the full forms? What do A.D and B.C mean? The full form of A.D is Anno Domini which is a Latin word and means “In the year of our Lord”. This era was the era in which Jesus Christ was alive.