Fix a Computer Clock That Forgets the Hour Hassle-Free PC By Rick Broida, Aug 11, 2010 12:42 pm PDT ...

Rick answers reader e-mail about a computer clock that's slightly off, a Windows XP system that won't shut down, and troubleshooting slow Wi-Fi connections.

Learn how to change Time format in Lock Screen in Windows 11/10. Change the clock to a 12-hour or 24-hour format using Settings or Control Panel.

As the subject says, I have a MacBook (work computer, but I'm the admin). The clock is consistently about 6 minutes slow. It is set to automatically update, and when I open the Date & Time ...