> Most of Arizona observes Mountain Standard Time (MST) all year. However, because the Navajo Nation observes Daylight Saving Time (DST), the corresponding DST designation, Mountain Daylight Time (MDT) is also listed here.
> There is a common misconception that Arizona is on Pacific Daylight Time (PDT) during the summer and on Mountain Standard Time (MST) during the winter. Because MST and PDT have the same UTC offset of minus 7 hours (UTC-7), Arizona has the same local time as neighboring states California and Nevada during the summer season.
> I don't see why the state should be able to force a timezone on the Navajo Nation.
Citation please; where is it written that any state is trying to force a timezone on the Navajo Nation?
> They're more of a state than Arizona is
Navajo Nation is not a state. At all. It is a nation. The territory of that nation is contained within the geographic footprint of three contiguous states (Arizona, Utah and Mexico).
> Most of Arizona observes Mountain Standard Time (MST) all year. However, because the Navajo Nation observes Daylight Saving Time (DST), the corresponding DST designation, Mountain Daylight Time (MDT) is also listed here.
> There is a common misconception that Arizona is on Pacific Daylight Time (PDT) during the summer and on Mountain Standard Time (MST) during the winter. Because MST and PDT have the same UTC offset of minus 7 hours (UTC-7), Arizona has the same local time as neighboring states California and Nevada during the summer season.