[Info-vax] bizarre problem with system time (not DST)

[Stephen Hoffman]

On 2015-03-29 03:48:41 +0000, David Froble said:

> Stephen Hoffman wrote:
>> 
>> OpenVMS V7.3 and later have the automatic change mechanism.   See the 
>> AUTO_DLIGHT_SAV system parameter for details.
>> <http://h30266.www3.hp.com/odl/vax/opsys/vmsos73/vmsos73/6017/6017pro_017.html>
>> There have been timezone patch kits, and there probably should be more 
>> of them issued as the definitions change fairly often.
>> 
> 
> This is one area where I think weendoze does it much better.

Microsoft Windows has the same issues with its use of local time as its 
time base, as does OpenVMS.  Unix uses UTC as its time base, and got 
this design right.  OpenVMS and Windows did not.

> MicroSoft has a program, Windows Time Zone Editor, that allows you to 
> specify the current DST start and end.  Much better than having to 
> apply a patch.

OpenVMS has that, too.  <http://labs.hoffmanlabs.com/node/148>

> Doesn't hurt to steal good ideas from others ....

Better still, improve on the existing good ideas, and regardless of the source.


-- 
Pure Personal Opinion | HoffmanLabs LLC