In my Rails view, I have the below code that displays a datetime.
<%= link_to timeslot.opening, [@place, timeslot] %>
The result of this
For the format you have requested:
<%= link_to timeslot.opening.strftime(%d/%m/%y: %H:%M:%S %Z), [@place, timeslot] %>
More options available here:
http://rorguide.blogspot.co.uk/2011/02/date-time-formats-in-ruby-on-rails.html