As *yabob said, they don’t start counting from the year of the presumed birth of Christ but from some other reference year.
chula
22
Echoing r-k’s sentiments… It’s not OK to bash a whole country out of sheer ignorance.
Colibri
23
Well, no, they count the present era from the birth of Christ, they just believe that Christ was born in what we call 7 AD.
From here:
How these figures were arrived at is not stated in the sites I checked.
Thanks for the correct info, but then it looks like their base year is really their presumed date of creation.