As mentioned in the previous reply above, mountain standard time (MST) is the same offset from UTC as pacific daylight time (PDT) and one hour ahead of pacific standard time (PST). Sticking with PDT would keep the clocks 1 hour ahead of solar time year round, so solar noon in the astronomical center of the timezone is at 1pm instead.

I'd rather have local standard time year round so noon means solar noon +/- 30 minutes or so across the whole timezone. I don't care about having my clock display digits consistent with someone far away. We cannot expect people to decouple from solar time no matter what games we play with clock display values. So, coordinating over distance will always involve thinking about time offsets as well as local cultures and conditions.

I think you mean MST.