Re: 8.1.x (tested 8.1.8) timezone bugs - Mailing list pgsql-hackers

"Joshua D. Drake" <jd@commandprompt.com> writes:
> Does this not seem a problem to you?

No.  8.2 is case-insensitive on timezone names, but prior releases were not.
I believe the difference you're seeing in 8.1 is that 'PST8PDT' binds to
the zic database entry by that name, while 'pst8pdt' falls back on the
POSIX-default rules, which are presumably still the old DST law.
        regards, tom lane