You don't understand the startdates?
Take, for example, 20070222.2300
Let me stick some spaces in some helpful places:
2007 02 22 . 23 00
20070222 means 22nd February 2007, and 2300 is in 24-hour clock format, IE 11:00PM
It appears that for the time being, the plan is to try out the Railway until someone has a better idea.[More...]