Should has nothing to do with it. That is the way the Olsen tz database works.
See en.wikipedia.org/wiki/Tz_database.
---------------------------------------------------------------------------
Jeff Newmiller The ..... ..... Go Live...
DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research Engineer (Solar/Batteries O.O#. #.O#. with
/Software/Embedded Controllers) .OO#. .OO#. rocks...1k
---------------------------------------------------------------------------
Sent from my phone. Please excuse my brevity.
Andrew Digby <andrewdi...@mac.com> wrote:
>
>I'm struggling with time zone version when expressed as hours offset
>from GMT. Can anyone confirm that the behaviour below is incorrect? It
>seems that the GMT offsets are backwards:
>
>> format(as.POSIXct("2011-05-23 17:23:00",
>tz="Europe/London"),tz="America/New_York",usetz=T)
>[1] "2011-05-23 12:23:00 EDT"
>
>- this works.
>
>> format(as.POSIXct("2011-05-23 17:23:00",tz="GMT"),tz="GMT-5",usetz=T)
>[1] "2011-05-23 22:23:00 GMT"
>
>- this doesn't work: 17:23:00 GMT should be 12:23:00 GMT-5!
>
>
>Thanks.
>
>
>R version 2.13.0 (2011-04-13)
>Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>
>______________________________________________
>R-help@r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
