Hi Larry. What you have done is a common occurance. I see it all the time. I maybe wrong but I believe you're programming the start times and not the zone run times. The Hunter Pro C has 4 start times. You only need one start time to run all the zones. You don't need a start time for each individual valve. Just tell it what time you want it to come on and they'll automatically run in sequence. Of course you have to program each individual valve for how long you want it to run for.
If I can't fix it, it's broken!