Re: [R] Different time between date() and Sys.date()
On 21.10.2010 19:53, David Winsemius wrote: On Oct 21, 2010, at 11:59 AM, omerle wrote: Thanks for you answer. It s sufficient but I d like to know why my system think I am CEST and yours think your are EDT. It probably acquired it from your OS at the time of R's installation. No, the OS setting when R was started is used. Uwe (And that was not correct as I discovered.) Can I change it ? Of course. (But not necessarily the way I would have predicted.) ?Sys.setlocale > Sys.getlocale() [1] "en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8" The arguments (and LC_TIME is but one of the arguments) are system dependent and you have not supplied that information. Furthermore, my efforts at changing my system (Mac 10.5.7/R2.11.1) were not successful. > Sys.setlocale(category = "LC_ALL" , locale= "de_DE") [1] "de_DE/de_DE/de_DE/C/de_DE/en_US.UTF-8" > date() [1] "Thu Oct 21 13:35:33 2010" > Sys.time() [1] "2010-10-21 13:35:39 EDT" ?Sys.timezone Made it clear that it is an OS setting and changing it in my system does the trick: > Sys.time() [1] "2010-10-21 19:48:42 CEST" __ 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.
Re: [R] Different time between date() and Sys.date()
On Oct 21, 2010, at 11:59 AM, omerle wrote: Thanks for you answer. It s sufficient but I d like to know why my system think I am CEST and yours think your are EDT. It probably acquired it from your OS at the time of R's installation. (And that was not correct as I discovered.) Can I change it ? Of course. (But not necessarily the way I would have predicted.) ?Sys.setlocale > Sys.getlocale() [1] "en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8" The arguments (and LC_TIME is but one of the arguments) are system dependent and you have not supplied that information. Furthermore, my efforts at changing my system (Mac 10.5.7/R2.11.1) were not successful. > Sys.setlocale(category = "LC_ALL" , locale= "de_DE") [1] "de_DE/de_DE/de_DE/C/de_DE/en_US.UTF-8" > date() [1] "Thu Oct 21 13:35:33 2010" > Sys.time() [1] "2010-10-21 13:35:39 EDT" ?Sys.timezone Made it clear that it is an OS setting and changing it in my system does the trick: > Sys.time() [1] "2010-10-21 19:48:42 CEST" -- David. Do you know where can I find a list of the timezone ? > Message du 21/10/10 15:07 > De : "David Winsemius" > A : "omerle" > Copie à : r-help@r-project.org > Objet : Re: [R] Different time between date() and Sys.date() > > > > On Oct 21, 2010, at 6:19 AM, omerle wrote: > > > Hi, > > > > I got two different times between these functions : > >> date() > > [1] "Thu Oct 21 12:11:37 2010" > >> Sys.time() > > [1] "2010-10-21 10:11:40 GMT" > >> > > > > I know that its because I did Sys.setenv(TZ="GMT"). Even if my > > system is set by default at CEST. > > I think that the difference between date() and Sys.time() is equal > > to the difference between CEST and GMT. > > I would like to get the time of my machine even if I set GMT as a > > time zone with the Sys.time() function. > > How can I get the real time from the Sys.time() function ? > > Or I can really set my time zone to GMT to get the real time with > > Sys.time() ? > > > Sys.time() > [1] "2010-10-21 09:04:40 EDT" > > as.POSIXlt(Sys.time(), tz="GMT") > [1] "2010-10-21 13:06:40 GMT" > > > > > Thanks, > > > > Olivier Merle > > > > Une messagerie gratuite, garantie à vie et des services en plus, ça > > vous tente ? > > Je crée ma boîte mail www.laposte.net > > > > [[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. > > David Winsemius, MD > West Hartford, CT > > > David Winsemius, MD West Hartford, CT __ 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.
Re: [R] Different time between date() and Sys.date()
Thanks for you answer. It s sufficient but I d like to know why my system think I am CEST and yours think your are EDT. Can I change it ? Do you know where can I find a list of the timezone ? > Message du 21/10/10 15:07 > De : "David Winsemius" > A : "omerle" > Copie à : r-help@r-project.org > Objet : Re: [R] Different time between date() and Sys.date() > > > > On Oct 21, 2010, at 6:19 AM, omerle wrote: > > > Hi, > > > > I got two different times between these functions : > >> date() > > [1] "Thu Oct 21 12:11:37 2010" > >> Sys.time() > > [1] "2010-10-21 10:11:40 GMT" > >> > > > > I know that its because I did Sys.setenv(TZ="GMT"). Even if my > > system is set by default at CEST. > > I think that the difference between date() and Sys.time() is equal > > to the difference between CEST and GMT. > > I would like to get the time of my machine even if I set GMT as a > > time zone with the Sys.time() function. > > How can I get the real time from the Sys.time() function ? > > Or I can really set my time zone to GMT to get the real time with > > Sys.time() ? > > > Sys.time() > [1] "2010-10-21 09:04:40 EDT" > > as.POSIXlt(Sys.time(), tz="GMT") > [1] "2010-10-21 13:06:40 GMT" > > > > > Thanks, > > > > Olivier Merle > > > > Une messagerie gratuite, garantie à vie et des services en plus, ça > > vous tente ? > > Je crée ma boîte mail www.laposte.net > > > > [[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. > > David Winsemius, MD > West Hartford, CT > > > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net [[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.
Re: [R] Different time between date() and Sys.date()
On Oct 21, 2010, at 6:19 AM, omerle wrote: Hi, I got two different times between these functions : date() [1] "Thu Oct 21 12:11:37 2010" Sys.time() [1] "2010-10-21 10:11:40 GMT" I know that its because I did Sys.setenv(TZ="GMT"). Even if my system is set by default at CEST. I think that the difference between date() and Sys.time() is equal to the difference between CEST and GMT. I would like to get the time of my machine even if I set GMT as a time zone with the Sys.time() function. How can I get the real time from the Sys.time() function ? Or I can really set my time zone to GMT to get the real time with Sys.time() ? > Sys.time() [1] "2010-10-21 09:04:40 EDT" > as.POSIXlt(Sys.time(), tz="GMT") [1] "2010-10-21 13:06:40 GMT" Thanks, Olivier Merle Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net [[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. David Winsemius, MD West Hartford, CT __ 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] Different time between date() and Sys.date()
Hi, I got two different times between these functions : > date() [1] "Thu Oct 21 12:11:37 2010" > Sys.time() [1] "2010-10-21 10:11:40 GMT" > I know that its because I did Sys.setenv(TZ="GMT"). Even if my system is set by default at CEST. I think that the difference between date() and Sys.time() is equal to the difference between CEST and GMT. I would like to get the time of my machine even if I set GMT as a time zone with the Sys.time() function. How can I get the real time from the Sys.time() function ? Or I can really set my time zone to GMT to get the real time with Sys.time() ? Thanks, Olivier Merle Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net [[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.
