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Now you've got me curious about the Treo. The Treo seems to take its time from the phone provider's clock. /rich On 2/20/07, Chris Wolf <[log in to unmask]> wrote: > > Their section about Windows Mobile is mostly superseded by a patch > released last week by Microsoft, so there is no need for the manual process > they describe. > http://www.microsoft.com/windowsmobile/daylightsaving/default.mspx > > For Palm, I have only been able to find the manual process. > > > ------------------------------ > *From:* Richard Wiggins [mailto:[log in to unmask]] > *Sent:* Tuesday, February 20, 2007 2:10 PM > *To:* [log in to unmask] > *Subject:* [MSUNAG] PDAs and extended DST > > > Thinking further about the DST changes, I looked to see if there was > information about PDAs. I found the following in the knowledge base for > the University of Illinois at Chicago. > > By the way, I like their writing style. The author shows his love for > the obsolete HP100LX and mentions that time zones were invented in Chicago > by railroads. > > /rich > > http://www.uic.edu/depts/accc/systems/daylight/contents.html > > > [image: ACCC Home Page] <http://www.uic.edu/depts/accc/home/> *ACADEMIC > COMPUTING and C OMMUNICATIONS CENTER * [image: Accounts / Passwords] > <http://www.uic.edu/depts/accc/home/ACCTS.html> [image: Email] > <http://www.uic.edu/depts/accc/home/EMAIL.html> [image: Labs / Classrooms] > <http://www.uic.edu/depts/accc/home/FACIL.html> [image: Telecom] > <http://www.uic.edu/depts/accc/home/TELECOM.html> [image: Network] > <http://www.uic.edu/depts/accc/home/NETWORK.html> [image: Security] > <http://www.uic.edu/depts/accc/home/SECURITY.html> [image: Software] > <http://www.uic.edu/depts/accc/home/SOFTWARE.html> [image: Computing and > Network Services] <http://www.uic.edu/depts/accc/home/SERVICES.html> [image: > Education / Teaching] <http://www.uic.edu/depts/accc/home/EDUCATION.html> [image: > Getting Help] <http://www.uic.edu/depts/accc/home/HELP.html> *2007 > Daylight Savings Time Problem* Contents > <http://www.uic.edu/depts/accc/systems/daylight/contents.html> 1. Intro > and General Information > <http://www.uic.edu/depts/accc/systems/daylight/dst2007.html> 2. Windows > <http://www.uic.edu/depts/accc/systems/daylight/windows.html> 3. Macs > <http://www.uic.edu/depts/accc/systems/daylight/mac.html> 4. Unix > <http://www.uic.edu/depts/accc/systems/daylight/unix.html> 5. PDAs 6. > Applications > <http://www.uic.edu/depts/accc/systems/daylight/applications.html> 7. > UICalendar > <http://www.uic.edu/depts/accc/systems/daylight/uicalendar.html> 2007 > Daylight Savings Time Changes for PDAs > > In 2005, the United States congress passed the Energy Policy Act of 2005, > which among other things extended the duration of Daylight Savings Time in > United States, starting in 2007. Canada and Bermuda have followed suit. > > The problem is that, during the extended periods of three weeks in the > spring and one week in the fall, many clocks on systems which automatically > to change to and from Daylight Savings Time will continue to operate on > Standard Time, even though Daylight Time is actually in effect. These > uncorrected systems will not be synchronized with other systems which have > been fixed. > > This page tells you how to correct that, so that the automatic Daylight > Time changes take place on the correct date. > > We have until March 11, 2007 to fix this problem in the U.S. and Canada. > > > - Handheld devices, PDAs<http://www.uic.edu/depts/accc/systems/daylight/pda.html#0> > - Microsoft Windows CE and Windows Mobile<http://www.uic.edu/depts/accc/systems/daylight/pda.html#1> > - Palm OS<http://www.uic.edu/depts/accc/systems/daylight/pda.html#2> > - HP 100LX and 200LX<http://www.uic.edu/depts/accc/systems/daylight/pda.html#3> > - See Also<http://www.uic.edu/depts/accc/systems/daylight/pda.html#4> > > *Handheld devices, PDAs * Most PDAs will need updating. See your > manufacturer's Web page for details. If you cannot update its firmware, you > may need to configure it so that you can make the Daylight Time adjustments > each time manually. *Microsoft Windows CE and Windows Mobile * Patches > are available for equipment manufacturers to incorporate into new equipment. > However, for Windows CE and Windows Mobile equipment already out in the > field, you have little choice other than to disable automatic Daylight Time > changes and change the time manually. To do that: > > Windows CE Devices <http://support.microsoft.com/kb/923027> > > Here is an unofficial patch: Edgeblog: Daylight Saving Time - Windows > Mobile Fix<http://www.edgeblog.net/2007/daylight-saving-time-windows-mobile-fix/> > *Palm OS * In Palm OS 5, (4 also?) edit the characteristics of > each location that matters to you in the Date & Time Preferences. Specify > whether or not that location observes Daylight Time, and also the new start > date (second Sunday of March) and end date (first Sunday of November). Don't > forget that all locations in Indiana should be changed to observe Daylight > Savings Time. > > Earlier versions of Palm OS did not have a facility for automatically > changing to Daylight Savings Time. > > Tips for adjusting DST on PalmOS5.X<http://kb.palm.com/SRVS/CGI-BIN/WEBCGI.EXE?New,kb=PalmSupportKB,CASE=obj(23151),ts=Palm_External2001> > > *HP 100LX and 200LX * > > The Hewlett-Packard 100LX and 200LX Palmtop PCs are fully-programmable, > MS-DOS based PDAs, which despite being over a decade old remain quite > popular, with used units in good condition selling on Ebay for a premium > price. A great many of these are in daily use, with new applications still > being developed. > > However, the rules for Daylight Time were different when these wonderful > little machines were made. Here is how to correct that, so that the > automatic Daylight Time changes take place on the correct date. > How to fix the 2007 Daylight Time dates > > 1. Using Filer, check to see if file *C:\_DAT\TIMEZONE.DAT* already > exists. If it does, then some modification has already been made. Skip to > Step 3. > 2. If *C:\_DAT\TIMEZONE.DAT* does not exist, then copy file * > D:\_SYS\TIMEZONE.DAT* to *C:\_DAT\TIMEZONE.DAT*. (You cannot modify > file *D:\_SYS\TIMEZONE.DAT* directly because it is in ROM.) > 3. Open the Memo program, and use it to edit file * > C:\_DAT\TIMEZONE.DAT*. > 4. If you have sections besides these, leave them alone. The order > of sections is not important. The file should look something like this when > you are done editing: > > European > 3:25-31 6 1:00 > 10:25-31 6 0:00 > Northern > 3:8-14 6 1:00 > 11:1-7 6 0:00 > Southern > 3:1-7 6 0:00 > 10:25-31 6 1:00 > Mexican > 4:1-7 6 1:00 > 10:25-31 6 0:00 > > 5. Press *F10* to Save the file and exit Memo. > 6. If you previously had the World Time program running, close it. > 7. Open the World Time program, find Indianapolis IN in the list of > cities, and press *ENTER*. Indiana started observing Daylight > Savings Time in 2006. For Indianapolis, change the Daylight Savings box so > that Automatic and Northern are selected, and press *F10* when done. > Repeat this for any other cities in Indiana that you have defined. > 8. Change all locations in Mexico so that Automatic and Mexican are > selected. > > Time Zone File FormatYou can define additional sets of Daylight Time > changing dates yourself, in file C:\_DAT\TIMEZONE.DAT. The time zone heading > must begin with a unique letter of the alphabet. This means you can only > have 26 total zones defined. For instance, since there is already > "European", you could not also have "Egyptian". It is also not a good idea > to make the name of a zone in this file exactly the same as the name of a > country - this will cause false hits when you use Find. This is why we use > the name "Mexican" instead of "Mexico". > > The next two lines define when to change time. For instance, under > "Northern" above: > > - 3 is for March (1=January - 12=December) > - 8-14 is the range of dates. The 2nd occurrence of a day in a month > will be between the 8th and the 14th. > - 6 is for Sunday (0=Monday, 1=Tuesday - 6=Sunday) > - 1:00 means to set the clock 1:00 ahead of usual (i.e. spring > forward) > > The second line under "Northern" likewise reads, "In November, on a day > between the 1st and the 7th, which is a Sunday, change the clock to 0:00 > later than usual ( i.e. fall back to normal)." > > Now that you know how to edit this, you can keep the HP 100LX and 200LX > updated for any future changes in Daylight Time change dates. > > Links: > > - HP Palmtop Paper: World Time - New European Daylight Savings Time<http://www.palmtoppaper.com/ptphtml/26/pt260048.htm> > > *See Also * > > The notes under 3. General Considerations<http://www.uic.edu/depts/accc/systems/daylight/dst2007.html#General>on the introduction page. Various information are of interest. > > > ------------------------------ > *Did you know that Time Zones were invented here in Chicago, by the > railroads?* > >