Synching Phone and PC time!

Is there an accurate way to synch two devices to the exact same 24 hour time? I time races for a living and I am trying to make my "start time" function more accurate.  Since the starting line is often quite a ways from the timing trailer, it would be nice to capture the start on an iPhone or Android and then enter that into the software.  But that would only work if the phone time is exactly the same as the pc time.

Then I need an app that would capture time-of-day by clicking a button at any point in time.

Thoughts?
Bob SchneiderCo-OwnerAsked:
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Paul MacDonaldDirector, Information SystemsCommented:
Cell phone are synced to the network they're on.  I don't think there's anything you can do about that.

You can sync your PC to an online NTP server (think atomic clock), but there's no way I know of to account for any time difference between the two.

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Paul MacDonaldDirector, Information SystemsCommented:
Thank you for the points.  

What I posted was more of an explanation than a solution, but I hope it helped move you closer to a solution.
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