If Google is being attacked, they are mitigating. We aren't using the Octave authenticator.
So some of you are edge cases (most), and
Your isp, or VPN might be a source of attacks.
I'm using the same key code from yesterday.
Problem solved! You can use equation 2.
https://www.mathscinotes.com/2015/06/compensating-gps-clocks-for-the-effects-of-relativity/#:~:text=We%20can%20use%20Equation%202%20to%20determine%20the,r%20from%20the%20center%20of%20the%20gravitational%20field.