Ours was reasonably standardized in terms of days in the year by the time I was born, but heavens forbis you ask me what year it is. For a long time, each country kept its own count - I think they finally settled on a unified dating system some seven and a half centuries ago? Something like that, ask - no, nevermind, they're both fairly bad at history.

[Eos, also a bit of a mess, and so is the line of Lucis Caelum (and their adopted human chocobo).]