How to change Sys.time () timezone

Question

I am in PDT timezone and I want to change the "s" variable to GMT timezone. Any idea how?

s<-Sys.time()
s
as.POSIXct(s,"GMT")

OUTPUT

> s<-Sys.time()
> s
[1] "2015-06-17 17:56:17 PDT"
> as.POSIXct(s,"GMT")
[1] "2015-06-17 17:56:17 PDT" # <--  how do I get this in GMT??

+3

user3022875 June 18. 15 at 0:57

2 answers

thelatemail · Answer 1 · 2015-06-18T01:22:50+0000

Depending on what you want to do exactly, there are several options:

s <- Sys.time()
s
#[1] "2015-06-18 11:21:22 EST"

Switching from local time to GMT, without application:

as.POSIXct(format(s),tz="GMT")
#[1] "2015-06-18 11:21:22 GMT"

Go to GMT, adjust the time difference between local time and GMT.

`attr<-`(s,"tzone","GMT")
#[1] "2015-06-18 01:21:22 GMT"

which is equivalent to an assignment operation:

attr(s,"tzone") <- "GMT"

Carlos cinelli · Answer 2 · 2015-06-18T01:57:59+0000

You can also use .POSIXct

:

s <- .POSIXct(s, "GMT")