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Stardates Explained - 20091016.2331

You don't understand the startdates?

Take, for example, 20091016.2331

Let me stick some spaces in some helpful places:

2009 10 16 . 23 31

That better?

20091016 means 16th October 2009, and 2331 is in 24-hour clock format, IE 11:31PM

Stardates in the Star Trek universe work in an entirely different way. Wikipedia has a good explanation on how Stardates work.