on what basis you are comparing epoch times, you have two times, one is the system time, the other is from where?. please give more clarity of what are you trying to achieve and compare.
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Vivek
-- In accordance with the prarabdha of each, the One whose function it is to ordain makes each to act. What will not happen will never happen, whatever effort one may put forth. And what will happen will not fail to happen, however much one may seek to prevent it. This is certain. The part of wisdom therefore is to stay quiet.