Part of your answer is the offset column, which seems to be relative to the
abbreviation used. This implies, to me, that each particular abbreviation
has it's own way of specifying the starting point of the time. Added is
the DST flag, which (probably) tells you that your app needs to keep
Interesting question -- I hope someone can give an in-depth explanation.
I've created some TZ processing to use in Access, to go back and forth from
local time to UTC (which Access doesn't make easy). To do this, I had to find
and reformat some official files so I could cram them into Access
