These are called Olsen names. One typically uses a city style. e.g. America/New_York, Europe/London.

Which is a bit arbitrary but captures the DST thing well. In theory, the timezone ET captures EST and EDT but the 2 letter names are even more ambiguous than the 3 letter names, and I am not sure that one even exists in the zoneinfo database.

On Mar 11, 2009, at 4:15 PM, Rick Mann wrote:


On Mar 11, 2009, at 12:29:05, Philip Ershler wrote:

From the Date & Time control panel Hawaii seems to be HST (ST denoting standard time I believe. Central is currently CDT (for daylight savings). Mountain is MDT, Eastern is EDT and Atlantic is ADT.

Thanks. The problem I'm facing is that I want to specify time zones in a way that allows automatic adjustment for DST. Specifying "EDT" or "EST" or event "GMT+05:00" locks me in to one or the other, regardless of what's currently in effect in the time zone.




AndyT (lordpixel - the cat who walks through walls)
A little bigger on the inside

        (see you later space cowboy, you can't take the sky from me)


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