Time zone changing while Win app is running

[CM]

Although there is an answer to my concern posted on Stack Overflow[1],
I thought I'd run this by the Python group to just get a read on it,
since it strikes me as a concern.

To summarize the issue:  In an application, I have been using Python's
datetime module to get the current time.  But it seems that, at least
with Windows (XP), whatever time zone your computer is set to when you
start the application, that's what datetime will use--the time zone
will *not* be updated in the application when you update it manually
with Windows.  So, if you change the time zone (say, after traveling
with your laptop), all datetimes will be incorrect as compared to your
system clock.

The S.O. page has an answer that uses ctypes and Kernel32's
GetLocalTime, and I've found I could do that, though it seems it would
require me to substitute this for all uses of Python's datetime...and
that is not a happy consideration at all.  If I'm not using datetime,
I am not using dateutil, not doing the same kind of date math, tons of
rewriting... Not good.

I haven't thought things through too well yet, but I was thinking I
could get the correct system time via this ctypes based approach and
then take that and turn it into a Python datetime to preserve all the
benefits of datetime, but even that is going to be a lot of work for
this corner case.

Are things regarding this issue basically as I've understood them?  I
hope not.

[1] http://stackoverflow.com/questions/4360981/make-python-respond-to-windows-timezone-changes)