variations on GMT-8:00
eggert at CS.UCLA.EDU
Fri Jan 19 00:35:29 UTC 2007
Curtis Doty <Curtis at GreenKey.net> writes:
> Why this discrepancy between PST8PDT and the equivalent geographically
> named zones that use PST?
They're not geographically equivalent, since, for example,
Seattle and Los Angeles used different rules before 1970.
The PST8PDT rule is just a historical revenant, dating
back to when the tz database was done a different way.
It's not worth worrying much about. As a practical matter,
we don't want it to be a link to Los Angeles because,
as the northamerica file says,
# We do these as separate Zones rather than as Links to avoid problems if
# a particular place changes whether it observes DST.
More information about the tz