Windows syncs the clock to time.windows.com OOTB. This can be changed to any time provider. https://learn.microsoft.com/en-us/windows-server/networking/windows

Windows syncs the clock to time.windows.com OOTB. This can be changed to any time provider. https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/how-the-windows-time-service-works https://learn.microsoft.com/en-us/windows-server/networking/...