> Your biggest problem will be deciding where to get your clock updates from;
> do you open the Pi to the internet or run a timeserver on another machine.

Buy an RTC addon for those times when it reboots, and setup NTPD on it,
sync'ing from a couple of reliable internet timeservers. Then run the Pi
as your network time source.

My home serving Pi is setup like that. Not that the RTC addon is used
much, as my Pi only reboots once in half a dozen blue moons! I do sync
the RTC from the system even day - so it isn't out by much if it does
reboot, until it gets ntp sync. ntp maintained system time is far far
more accurate than any RTC

I used the AB electronics PiZero RTC

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