prevalence of "right" time zones without timegm()?

[Tom Yu]

Dave Daugherty <dave.daugherty at centrify.com> writes:

> I am one of the people who brought up this issue.  Our customer
> solved the problem by configuring for standard time zone, hence the
> urgency was greatly reduced to implement a code fix - so it got
> pushed to the back of the to-do list.

> We support over 200 different variants of Unix with 1000's of
> installations and have only run across this problem once so far.

Thanks for the information.  Is it true that the customer explicitly
configured a "right" time zone, and that the "right" time zones are
also not the default on an installation of the OS?