|1||String is of form hh:mm:ss.|
|0||String is not of form hh:mm:ss.|
|StringValue||String to check if it is of the form hh:mm:ss.|
clock scancommand on which it is based. This means that if a
clock scansucceeds with the configured time-of-day format then this command will return true.
For information about how to configure the format, see About Date and Time Commands.