Game Clock Wildly Inaccurate
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Will lose games due to timeout with time still showing on my clock or with 2+ seconds showing on opponents. Bullet currently absolutely unplayable
https://support.chess.com/article/423-why-did-the-clock-times-suddenly-change-the-clocks-seem-broken
There are a number of articles in the help/ask a question section on this subject. Let me get you one more...
https://support.chess.com/article/873-how-can-i-improve-my-live-chess-connection
As promised, but there is another couple you can search for on your own. Good luck!