On Fri, 18 Sept 2026 at 16:54, Chris Walton via tz <[email protected]> wrote:
> The theory file says: > > "Use abbreviations that are in common use among English-speakers, e.g., > “EST” for Eastern Standard Time in North America." > > On Fri, 18 Sept 2026 at 15:03, brian.laframboise--- via tz <[email protected]> wrote: > That said, I am aware of the recent decision on the non-inclusion of ABT > for Alberta: > https://lists.iana.org/hyperkitty/list/[email protected]/thread/EOSYV7EGLBDW7YPKO5NNLQZ2MT7643BL/ > It is a similar argument with "PCT" as for "ABT", as well as for "YST" in Yukon and even "MBT" as we expect from the legislation behind Manitoba's recent announcement. We aim for a somewhat higher descriptivist "person on the ground" standard; though we are aware, however, how the increased number of changes in Canada are straining popular understanding of the traditional North American nomenclature. If and when the alphabetics start to prove too confusing, we can always default to unambiguous numeric abbreviations like "-07", but there also hasn't yet been enough evidence to support that sort of change either. > 1. Will IANA update the abbreviation for relevant timezones (such as > America/Vancouver) from MST to PCT by Nov 1? > 2. If not, can you provide guidance on when we could expect such an > update, if ever? > In short: (1) Not likely, and (2) if and when any given abbreviation begins to see widespread and persistent adoption by average people coordinating events, both from inside and outside the region — not just internal government use or use by a few prominent news outlets. -- Tim Parenti
