Let me stick some spaces in some helpful places:
2018 01 25 . 19 00
20180125 means 25th Jan 2018, and
1900 is in 24-hour clock format, IE 7:00PM
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
Pick a character and be prepared to role the dice, we're holding another board games night! With a wide selection to choose from, as well as your own to bring from home, this will be a very relaxed evening - but who will win?