Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to. If it can be modded, optimized, repurposed, or torn apart for fun he's interested (and probably already at the workbench taking it apart). You can follow him on Twitter if you'd like.
There are only 97 leap years in every 400 year interval (not 100 as one would expect) because every century year that can’t be evenly divisible by 400 is skipped in order to keep the calendar on track. For instance, 2000 was a leap year, but 1900 was not.