Well, displayed time will be follow settings timezone. If you want to use fixed timezone, using template in eguide_item.html like this:

<{$event.edate|date_format:"%H:%M"}>
(This is show up server time)

Next, Time Table Labels. That working multiple times event in a day. Event style like school hours. Collection settings especally for this case.

And change directory name, You can do.
Directory registered in XOOPS system, when install. Then you need change name before install.
(or do Uninstall/change/install)