Claudio Natoli <claudio(dot)natoli(at)memetrics(dot)com> writes:
> ... change pgtz.c following lines 184 and 304 to
> correctly deal with a NULL return from the native localtime.
Ah, that would seem to be the problem. Also, has anyone rechecked with
this version of pgtz to see if we can dispense with testing time zone
name equality and still pick the right zone on Windows?
regards, tom lane