Thinking about a way to display an appointment and a corresponding timezone


I have 2 solutions that I would like to discuss / inquire about.

The first is - I would love to be able to insert a little text in the date confirmation box text when booking an appointment. Ideally I would love a function that lets me insert a phrase at the end. In my case - I would be inserting something like - all times are in GMT - and your time zone diference is .

The second would be to have a way for the calendar to display times in the local time zone for the customer. This could be automated or they could select their time zone from a drop down.

Are either of these possible?