I am using the 'Get Date/Time in Seconds' function in a loop with a shift register to calculate the amount of time between loop interations. This is in a LV2012 exe running many hours each day. On random occasions the timestamp coming out of the function loses an hour -- goes from say 3:12:13PM to 2:12:13PM (the date doesn't change). Once it loses the hour it counts up normally from that point. This started about 6 weeks ago and happens from a couple times a day to every couple of days. Has anyone ever seen something like this and how did you fix it?

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Get Date/Time in Seconds timestamp losing an hour

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The client is pretty sure that this was caused by clock and timezone issues. They have reset their timezone settings. I will check with them in a week or two to make sure the problem is corrected and update this thread. Thanks for all for the suggestions.

Message 11 of 12

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I followed up with the client today and they found that resetting the time zone only temporarily fixed the problem, eventually the PC would exhibit the problem again. They replaced the motherboard battery and that seems to have fixed the issue completely.