What is the digital clock on Gigabyte Z87-UD3H for?

Zz_Bloody_zZ

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May 19, 2014
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I have heard it is for CPU temp on ASUS MB similar version. But Gigabyte gives no info on this. When I open 3 or 4 game window, CPU load is from 22% to 50%. The clock always shows "03" (not sure "03" or "O3")
Thanks guys.