You don't understand the startdates?
Take, for example, 20150502.1400
Let me stick some spaces in some helpful places:
2015 05 02 . 14 00
That better?
20150502 means 2nd May 2015, and 1400 is in 24-hour clock format, IE 2:00PM
Stardates in the Star Trek universe work in an entirely different way. Wikipedia has a good explanation on how Stardates work.
Free Comic Book day is a yearly event where various comic stores around the world, give away copies from a specific list of comics, for free in a bid to promote comics to a wider audience. There are a number of stores taking part in this within the London area, although this trip will only focus on the ones located in the centre of town.
[More...]