There in an advantage to using UTC: when legislatures change the rules about which time zone is which, or you move your computer while it's off, the time remain

There in an advantage to using UTC: when legislatures change the rules about which time zone is which, or you move your computer while it's off, the time remains correct. Using local time for the RTC theoretically makes it simpler to schedule wakeups at user friendly times, but that seems less impactful.