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

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