To have the iCal link you export from Host Tools include check-in and check-out times add "?withTime=true" to the end of the iCal link.
For example:
How to have an iCal link not block the entire day, but rather from check-in time to check-out time.
To have the iCal link you export from Host Tools include check-in and check-out times add "?withTime=true" to the end of the iCal link.
For example: