On Monday 10 November 2008 01:23:30 pm Prof Brian Ripley wrote: > See ?Sys.timezone, which help.search("timezone") points you to. > > On Mon, 10 Nov 2008, stephen sefick wrote: > > I have looked at > > ?as.POSIXct > > That also links to Sys.timezone from the 'tz' argument. > > > ?POSIXct > > and many of the references that are on those pages. > > > > I am bewildered with timezones. Is there a way to get what would go > > into tz="" for making a function that uses POSIXct to be able to be > > used in all of the timezones in just the united states? This is for > > both windows and mac... > > There are rather a lot of timezones in the United States (sic), down to > individual counties. > There are six: Eastern Standard (UTC-5), Central Standard (UTC-6), Mountain Standard (UTC-7), Pacific Standard (UTC-8), Alaskan (UTC-9) and Hawaiian- Aleutian (UTC-10). Daylight Savings Time, a stupid institution, is not observed by a sizeable piece of Arizona (most of the state, though apparently the Navaho DO observe it, while the Hopi do not) and Hawaii.
John Dougherty [[alternative HTML version deleted]] ______________________________________________ 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.