This enumeration describes the format for time stamps in TDrivingDirections:
tfSkip
Skip in output
tf24hour
24 hour format: "23:59"
tf12hour
am/pm format: "11:59 PM"
tfFloat
Floating point number for your own formatting (fraction of a day). It may be >1, but not negative.
Example: 0.25 = "6:00 AM" = "6:00"
tfString
A string in the same format as TCalc.TimeFormatAsString