On Fri, Sep 20, 2013 at 4:31 PM, carlisle thacker <carlisle.thac...@gmail.com> wrote: > I was looking for something like shown on the map: > http://upload.wikimedia.org/wikipedia/commons/8/88/World_Time_Zones_Map.png > > Information about local daylight savings times would also help. > > The data are from ships, supposedly in local time, but no time-zone info is > given. A function that would return time zone and whether or not daylight > savings time applies at given date would would help. I'm trying to track > down more information about the data and whether they can be referenced to > UTC.
The zone.tab file has this information. See the Examples section at the end of ?Sys.timezone for info on its whereabouts. ______________________________________________ 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.