Let me stick some spaces in some helpful places:
2018 05 20 . 15 00
20180520 means 20th May 2018, and
1500 is in 24-hour clock format, IE 3:00PM
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
It's another cinema trip! It's Deadpool 2! Come and experience Deadpool continue to kick ass as he takes on Cable whilst forming the new superhero team X-Force within the X-Men universe!
Vue Cinema, Staines