On Sun, 4 Nov 2012 23:05:11 -0800, "David Kaye"
wrote:

"hr(bob) " wrote

My computer is telling the correct hourly time. Is it because the new
rules for changing our clocks happened to give the same day as if we
followed the old rules? Or, did one of the Microsoft Windows XP
updates put some new intelligence into my machine?

Several years ago, Microsoft updated Windows XP with a free patch (I

I forgot about that. So it didn't come with XP at the start. You
can put any dates you want into the patch parameters, but I forget how
and I guess it came set to the new rules. .

understand Apple charged for it!) to change the DST rules. This is why when
you look at the time zone setting, the USA and Canada are now listed
separately from Tijuana, which does not observe the extra 4 weeks of DST
that we do.

In many or most cases, XP automatically included the patch in its automatic
update.