Talk:History of the World of Avatar/@comment-5191254-20120802120848/@comment-139.55.38.166-20121029232950

if a person can be zero years old, then a calendar can have a year zero. the difference is in how it is counted. In our world we count the current progressing year as part of the year, in other words we a currently in the 2012th year since the switch between B.C and A.D. In the avatar world, however, the year is counted by the number of completed years, like how we count the age of a living thing. Furthermore A.D. means Anno Domini, which roughly translates to "in the year of our Lord", so by this definition their can't be a 0th year. On the other hand ASC stands for after sozin's comet. we can have a year zero in this case because you be zero years after sozin's if you are in the year it occured.