I’ll do you one better. Sun rises at 6:30am for all time zones. Vast majority of clocks are digital now and can simply autocorrect at 3am each time zone.

This is the rarely-expressed exact opposite of DST abolition: literally do micro-DST every single day to keep local time adjusted to sunrise (though I would just do sunrise = 0:00). I actually... kinda respect it?

Some precedent in ancient chinese timekeeping:

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I don't know if I could wake up 10 minutes earlier every morning

The time resets to the start of the next day some time between ~23:55 and ~24:05 (<24:00 in Q1+Q2, >24:00 in Q3+Q4). This whole process is managed by computers. Realistically you would end up with more fine-grained timezones and time differences often changing; that's the main (huge) downside of this proposal.