From: "John Stoff" 

Phil Payne typed:

>
http://today.reuters.com/news/articlenews.aspx?type=domesticNews&storyID=2006-1
0-27T175909Z_01_N26212849_RTRUKOC_0_US-LIFE-HALLOWEEN.xml&WTmodLoc=USNewsHome_C
2_domesticNews-1
>
> What a fuck-up.  Several weeks a year when I have to piss around
> working out what's happened to the USA's clocks.
>
> For the Windows users, this is from Wikipedia:
>
> The time zone database in most Windows-based computer systems stores
> only a single start and end rule for each zone, and daylight saving
> information is stored in the registry key
> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time
> Zones\, under the TZI registry value. (In Windows XP and Windows
> 2003, time-zone information is stored in the registry key
>
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation\)
.
> For example, DST ends on the last Sunday in October, regardless of
> year. When the rule changes (e.g. Australian DST ending one week
> later than usual in 2006, or DST being extended in the United States
> starting in 2007), an update needs to be applied. In the case of a
> single-year anomaly, a new time zone is created and used. Before the
> following year, the time zone will have to be switched back to the
> original. For permanent rule changes, the rule definition for the
> time zone can be changed without requiring a new time zone to be set
> up.

 Windows XP
http://www.microsoft.com/windows/timezone/dst2007.mspx

Windows 2000:
http://www.petri.co.il/download_free_reskit_tools.htm

For Win 95-95?
From what I see This is what it look like this on my Win98SE machine:

REGEDIT4

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation]
"ActiveTimeBias"=hex:a4,01,00,00
"StandardName"="Pacific Standard Time"
"DaylightName"="Pacific Daylight Time"
"Bias"=hex:e0,01,00,00
"StandardBias"=hex:00,00,00,00
"DaylightBias"=hex:c4,ff,ff,ff
"StandardStart"=hex:00,00,0a,00,00,00,05,00,02,00,00,00,00,00,00,00
"DaylightStart"=hex:00,00,04,00,00,00,01,00,02,00,00,00,00,00,00,00
"DaylightFlag"=hex:02,00,00,00

From Wiki
DST commonly begins in the northern hemisphere on the first Sunday in
April, and ends on the last Sunday in October. However, beginning in 2007,
the United States will begin observing DST from the second Sunday in March
until the first Sunday in November.

Windows 98:
The one from the Windows 95 CDROM works on Win 98 Also on the Win 98 CDROM
x:\admin\apptools\tzedit\tzedit.exe

If you can't find it anywhere else  The file is here for Win 95-98
http://www.send-file.com/5D34DD785D00369

From what I see This is what it look like this on my Win98SE machine:

REGEDIT4

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation]
"ActiveTimeBias"=hex:a4,01,00,00
"StandardName"="Pacific Standard Time"
"DaylightName"="Pacific Daylight Time"
"Bias"=hex:e0,01,00,00
"StandardBias"=hex:00,00,00,00
"DaylightBias"=hex:c4,ff,ff,ff
"StandardStart"=hex:00,00,0a,00,00,00,05,00,02,00,00,00,00,00,00,00
"DaylightStart"=hex:00,00,04,00,00,00,01,00,02,00,00,00,00,00,00,00
"DaylightFlag"=hex:02,00,00,00

From Wiki
DST commonly begins in the northern hemisphere on the first Sunday in
April, and ends on the last Sunday in October. However, beginning in 2007,
the United States will begin observing DST from the second Sunday in March
until the first Sunday in November.



So,if

DST begins on the first Sunday in April,

OLD:

"DaylightStart"=hex:00,00,04,00,00,00,01,00,02,00,00,00,00,00,00,00
=====================^^========^^===^^==================
================         April ====1stt Sun  2:00AM

and ends on the last Sunday in October.

"StandardStart"=hex:00,00,0a,00,00,00,05,00,02,00,00,00,00,00,00,00
======================^^========^^====^^================
===========                        Oct ===     Last Sun  2:00AM

 However, beginning in 2007, the United States will begin
observing DST from the second Sunday in March until the first Sunday in November.

And the change _SHOULD_ be like this


New:

"DaylightStart"=hex:00,00,03,00,00,00,02,00,02,00,00,00,00,00,00,00
====================  ^^ ======= ^^ ===^^==================
==================   March ===  2nd Sun  2:00AM

"StandardStart"=hex:00,00,0b,00,00,00,01,00,02,00,00,00,00,00,00,00
====================== ^^ ====== ^^ === ^^ ======
=====================  Nov  === 1st Sun = 2:00AM

--- BBBS/NT v4.01 Flag-5