Let me stick some spaces in some helpful places:
2018 05 08 . 23 00
20180508 means 8th May 2018, and
2300 is in 24-hour clock format, IE 11:00PM
Stardates in the Star Trek universe work in an entirely different way. Wikipedia has a good explanation on how they work.
Events on this stardate
Once again, we invite our members to bring a film forward and convince us to watch it. Whatever we watch depends on what your bring, so bring something good (or bad, if you can get us to vote for it!). Best of luck to everyone!