[tz] EST/EDT vs AEST/AEDT in AQ

[Derick Rethans]

On Tue, 16 Apr 2013, Tobias Conradi wrote:

> On Mon, Apr 15, 2013 at 6:57 PM, Paul Eggert <eggert at cs.ucla.edu> wrote:
> > On 04/15/13 07:59, Tobias Conradi wrote:
> >
> >> Reserving D in %s for 1:00 offset as has been done over years, i.e. 
> >> is established practice
> >
> > I'm not quite following all the proposal in this area, but "D"
> > also stands for "Double", as in BDST for British Double Summer Time.
> > There is a similar usage of "H" for Half, as in CKHST for
> > Cook Islands Half Summer Time.  If memory serves, CKHST, UYHST, etc.
> > are my own invention, while BDST is not: it comes from contemporaneous
> > British sources.  I came up with HST by analogy from DST.
> 
> My statement was a shortening, that shortening made it wrong.
> 
> I meant in the position immediately before the last T.
> 
> For saving time there is immediately before the last T
> D 1:00
> S 1:00
> DD 2:00
> DS 2:00
> HD 0:30
> HS 0:30 and 0:20
> 
> Conforming with this established practice is LHHDT for Lord Howe Half
> Daylight saving Time.

Why are you encoding meaning in abbreviations? Abbreviations are a 
disply-only feature. Also, there is no such thing as "Half Daylight 
Saving Time". It's an on/off switch, no matter whether they change by 30 
minutes or 427 seconds.

cheers,
Derick