You don't understand the startdates?
Take, for example, 20090825.1030
Let me stick some spaces in some helpful places:
2009 08 25 . 10 30
That better?
20090825 means 25th August 2009, and 1030 is in 24-hour clock format, IE 10:30AM
Stardates in the Star Trek universe work in an entirely different way. Wikipedia has a good explanation on how Stardates work.