Hi

> On Aug 24, 2018, at 1:18 PM, Mark Sims <hol...@hotmail.com> wrote:
> 
> Lady Heather has DST support code in it (in file heathmsc.cpp).   It supports 
>  the current standard settings for several areas (US, Europe, Australia, New 
> Zealand) or you can specify a custom DST rule.  The code is around 200 lines 
> long... some of that is Heather-specific requirements.  It can also be 
> simplified by not parsing the ASCII rule string and using hard coded values.
> 
> Implementing and testing seamless DST adjustment is a bit of a pain...  
> particularly keeping the time correct during the hours before/after the 
> switch.

Yet another reason to avoid closed source / packaged solutions ……

Bob


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