"Permanent" DST

Roy r.engehausen at gmail.com
Tue Mar 15 23:47:55 UTC 2022

On 3/15/2022 1:19 PM, Andy Ringsmuth wrote:
>> On Mar 15, 2022, at 2:40 PM, Eric Kuhnke <eric.kuhnke at gmail.com> wrote:
>> If Canada doesn't do the same thing at the same time, it'll be a real hassle, dealing with a change from -8 to -7 crossing the border between BC and WA, for instance. It has to be done consistently throughout North America.
> Nah, not really a big deal. The transportation world has handled it just fine for Arizona, and previously, Indiana.
> Heck, here’s where it gets real confusing.
> Arizona does not observe DST as a state. However, freight railroads in Arizona DO. At least BNSF Railway does. So for a good chunk of the year, if you are involved with the railroad, you have to clarify if events are happening at 8 a.m. city time or 8 a.m. railroad time.
> At least that’s how it was last time I was down there as a railroad contractor.
> -Andy.

Arizona time is supposedly MST all year but it is not consistent. The 
Indian nations adopt their own rules whether to use DST or not. Example:
the Navajo nations uses DST but Hopi nation doesn't.  You can plot a 
trip from east to west across AZ and have to change your clock seven times!

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