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Arduino Library for RTCs, Ds1302, Ds1307, Ds3231, Ds3232, Ds3234 and Pcf8563/BM8563 with deep support. Please refer to the Wiki for more details. Please use the Github Discussions to ask questions as...

Rtc

Arduino Real Time Clock library.
An RTC library with deep device support.

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For quick questions jump on Gitter and ask away.
Gitter

For bugs, make sure there isn't an active issue and then create one.

Documentation

See Wiki

Installing This Library (prefered, you just want to use it)

Open the Library Manager and search for "Rtc by Makuna" and install

Installing This Library From GitHub (advanced, you want to contribute)

Create a directory in your Arduino\Library folder named "Rtc" Clone (Git) this project into that folder.
It should now show up in the import list when you restart Arduino IDE.