[R] system time is 5 hours off in Windows

Setzer.Woodrow@epamail.epa.gov Setzer.Woodrow at epamail.epa.gov
Mon Jan 22 16:49:33 CET 2001

Sorry to take up more bandwidth on a relatively minor point, but, under
R-1.1.1, date() returns the system time, whereas under R-1.2.0 and R-1.2.1,
date() returns system time + 5 hours (as if it were really returning UTC).
Does msvcrt.dll handle the date-time functions?  Maybe I've got a problem

R. Woodrow Setzer, Jr.                                            Phone:
(919) 541-0128
Experimental Toxicology Division                       Fax:  (919) 541-5394
Pharmacokinetics Branch

                    Prof Brian D                                                                                
                    Ripley               To:     Woodrow Setzer/RTP/USEPA/US at EPA                                
                    <ripley at stats        cc:                                                                    
                    .ox.ac.uk>           Subject:     Re: [R] system time is 5 hours off in Windows             
                    Sent by:                                                                                    
                    ripley at auk.st                                                                               
                    06:44 PM                                                                                    

On Fri, 19 Jan 2001, Prof Brian D Ripley wrote:

> On Fri, 19 Jan 2001 Setzer.Woodrow at epamail.epa.gov wrote:
> > Am I missing a configuration step?  The value returned by date() and
> > Sys.time() is five hours later than the system time.  Furthermore,
> That I have not seen.  Entirely possible, given Windows bugs. I am really
> sick of having to correct their mistakes in standard C library functions
> in this area.

To confirm, if I set my NT4 computer to that time zone, it reports
Eastern Daylight Time as the time zone (rather than GB Daylight Time)
but Windows and R do agree on the time.

Looks like a peculiarity of your setup. If it were common I would be
suprised that it had not been reported before. (Some people are all to keen
to report non-bugs.)   I seem to remember there are issues on PCs about
running clocks on UTC or local time that surface if they are dualbootable

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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