>Set the interval to 10000 and the timer event will fire every 10 seconds.
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>>This sound inaccurate. Seems like it could wander using this method. That's why I figured if every 10 seconds I could look and see if my machine time (atomic time) was 05:59 I would play the wav. Your method leaves me at the mercy of the internal clock tick correct?

So how do I keep it from firing every 10 seconds during 05:59 till 06:00?