Time misscalculation

[KuFain]

Ssetting timer to 12H, after 5 hours it is already 8 minutes late. After running for few days it may come to an hour. How can I improve time calculation?

[AndrewMascolo]

The library is not meant to be 100% accurate, because the Arduino is bad at doing so. If you need you need to get a RTC module.

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On Sep 12, 2016, at 4:36 PM, KuFain notifications@github.com wrote:

Ssetting timer to 12H, after 5 hours it is already 8 minutes late. After running for few days it may come to an hour. How can I improve time calculation?

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