Re: Garmin 96C - Daylight saving time error!

kashe@xxxxxxxxx wrote:
>> Dates for advancing and retarding the clock are fixed for
>>any given country. If they weren't then there would be potential
>>accounting
>>nightmares each time the country's clocks changed. The majority of
>>countries in the northern hemisphere change their clocks on the last
>>Sundays
>>in March and October although DST commences on the first Sunday in April
>>in
>>North America (except for Hawaii and Arizona which don't observe DST -
>>although the Navajo parts of Arizona do). There are other exceptions but
>>it
>>only requires a small lookup table.
>
> Perhaps, but it's not implemented. Please provide such to
> describe in detail, including all required coordinates, following
> county lines, the scheme for Indiana, where different counties have
> different observance of DST

The "lookup table" is stored in the registry under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones.
Actually there is one registry entry for each timezone.

If you actually wanted individual named entries for all the counties in
Indiana instead of using the built-in options then you can add registry keys
for each county so that options will appear in the time/date timezone
dialogue box. There is a Microsoft resource kit utility available to do
this without fiddling with the registry - tzedit. You can download it from
several places on the web - you may find the version you get is from the
Win98 resource kit but it works with all versions including XP. You can
edit, add or delete timezone entries as you wish, enable/disable the auto
option, change start/end dates for DST etc.

David



.

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