Is it possible to compate two time (24-hour format)?
What I need is to just check if the first time is earlier than the second time.
ex:
./script.ksh 09:30:15 13:00:34 = okay
./script.ksh 05:25:00 02:30:50 = invalid arguments
Convert the time stamp into number of seconds from epoch and then its a simple numerical comparison. Doing so is left as an exercise to the OP 
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