Re: [tz] Anecdotal discrepancy for Navajo nation in Arizona
At 10:53 PM 5/24/2016, Brian Inglis wrote:
Federal facilities and areas within AZ are subject to federal legislation so they too observe DST.
Federal legislation deals with time zone borders, not DST observance. DST observance is a state (and Indian) matter. Only AZ and HI have decided not to observe. Federal facilities located in those states therefore do not observe DST. Everything from national parks to post offices to federal polling places. Indian nations are deemed to have similar authority - and that it supersedes that of the state in which they are located. So on reservation lands the Navajo decision to observe DST trumps the AZ decision not to. Federal facilities inside the Navajo reservation observe time per the Navajo authority instead of the AZ authority. There are also exceptions to federal facilities deviating from official local time. The only one I knew of before today was Guadalupe Mountains National Park, which observes Mountain time despite being mostly located in the Central time zone. Today I learned of the Dangling Rope Marina exception. Regards, Steve Jones Emacs!
On Wed, May 25, 2016, at 11:55, Steve Jones wrote:
At 10:53 PM 5/24/2016, Brian Inglis wrote:
Federal facilities and areas within AZ are subject to federal legislation so they too observe DST.
Federal legislation deals with time zone borders, not DST observance.
AIUI there are _some_ federal laws about DST observance. The main effect of which was that before 2009, when most of Indiana on the Eastern time zone did not observe DST, the locations which did were doing so in violation of the law; states do not have the authority to permit individual areas within the state to vary their observance of DST from the statewide policy, except for a state split between two time zones may observe it in one time zone and not the other (as Indiana's Central Time regions observed DST)
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Steve Jones