[tz] Yukon to move to year-round PDT

[Paul Gilmartin]

On 2020-03-05, at 14:28:20, Chris Walton wrote:
> 
> I agree with Michael D.
> 
> There are four existing zones that are already on permanent UTC-7:
> 	America/Dawson_Creek
> 	America/Creston
> 	America/Fort_Nelson
> 	America/Phoenix
> None of these zones makes use the DST bit.  The time zone is displayed year round as MST instead of PDT.  I don't think anybody complains about it.
> 
> I don't see any compelling reason to treat the two Yukon zones (America/Whitehorse & America/Dawson) any differently than the four existing UTC-7 zones.
>  
Historic timestamps?

-- gil