Did not get that email.
It seems they can even screw up local control of the thermostats.
Twitter has a dozen or so reports of what I’m now seeing:
Honeywell’s service is back up but has set the clocks on thermostats incorrectly. Mine is 3 hours and 7 minutes behind. And there seems to be no way to set the time or time zone from either the thermostats or the app/website