To change the time of a tour appointment, it's simply a matter of selecting it on the calendar and dragging it! Click and hold on the middle of the tour appointment of interest:
Holding the mouse clicked on the appointment, drag it to the desired time/day. If you want to move it to a week outside of the current week, simply switch the view of the calendar to "Month" at the top right, and you can drag appointments between weeks.
After dragging your appointment to its new time, you will be asked to Confirm the change:
Once you click Confirm the appointment has officially been moved:
This means the renter will receive a text notification of the change:
You can also click and hold the bottom of a tour appointment and drag to make it longer or shorter. It will ask me to Confirm and then the change is made! Renters will not be notified via text if you change the length of their appointment, only if you change the start time.