Well who knows years with TREK? In SPACE SEED Kirk told Khan he has been "asleep" for just over 200 years... Which means that the year was roughly 2196, since Khan and the "Botany Bay" left Earth in 1996! Even though now the "official" chronology has the year for that episode being around 2266 or 2267... So apparently by the 23rd Century people can do celestial mechanics and spacial coordinates, but they can't do simple MATH?
So hey, there you go... Another nugget of STAR TREK NON-CANON you can stuff in your CANONITE PIPE and SMOKE IT!