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
