“Unlike most of the United States, Arizona does not observe daylight saving time (DST), with the exception of the Navajo Nation, which does observe DST. The Hopi Reservation, which is not part of the Navajo Nation but is geographically surrounded by it, also does not observe DST.[2] For this reason, driving the length of Arizona State Route 264 east from Tuba City while DST is in place involves six time zone changes in less than 100 miles (160 km).”
A quirky addition to your Arizona point:
“Unlike most of the United States, Arizona does not observe daylight saving time (DST), with the exception of the Navajo Nation, which does observe DST. The Hopi Reservation, which is not part of the Navajo Nation but is geographically surrounded by it, also does not observe DST.[2] For this reason, driving the length of Arizona State Route 264 east from Tuba City while DST is in place involves six time zone changes in less than 100 miles (160 km).”
https://en.wikipedia.org/wiki/Time_in_Arizona#:~:text=Unlike%20most%20of%20the%20United,also%20does%20not%20observe%20DST.