> This definition applies to all Gregorian calendar countries. There is no century number 0, you go from -1 century to 1 century. If you disagree with this, please write your complaint to: Pope, Cathedral Saint-Peter of Roma, Vatican.
Date and time handling is one of the areas that is surprisingly difficult, for something that appears "simple". It tends to cause a lot of frustrations, and I can see this person struggling with all the different use cases and wants the readers to know it's not their fault. Otherwise it could generate questions in support forums.
