On 10/11/24 11:56, Rui Barradas wrote:
Hello,
A way to have different time zones is to store t1 and t2 in list,
which are vectors. Just not atomic vectors.
I think it complicates what should be simple, but here it is.
# create two lists
t1 <- lapply(c("2024-01-01 12:30", "2024-01-01 12:30
Thanks,
On 10/11/24 09:10, Ivan Krylov wrote:
В Thu, 10 Oct 2024 17:16:52 +0200
Jan van der Laan пишет:
This is where it is unclear to me what the purpose is of the `zone`
element of the POSIXlt object. It does allow for registering a time
zone per element. It just seems to be ignored.
I thi
Às 15:13 de 10/10/2024, Jeff Newmiller via R-help escreveu:
POSIXt vectors do not support different time zones element-to-element.
If you want to keep track of timezones per element, you have to create a vector
of timestamps (I would recommend POSIXct using UTC) and a parallel vector of
timezo
В Thu, 10 Oct 2024 17:16:52 +0200
Jan van der Laan пишет:
> This is where it is unclear to me what the purpose is of the `zone`
> element of the POSIXlt object. It does allow for registering a time
> zone per element. It just seems to be ignored.
I think that since POSIXlt is an interface to wh
I am not sure what this has to do with timezones embedded in specific POSIXt
vectors? Can you elaborate why this is relevant?
On October 10, 2024 11:32:31 AM PDT, Gabor Grothendieck
wrote:
>Sys.setenv(TZ = "GMT") will set the local time zone to GMT so there
>would only be one time
>zone regardl
Sys.setenv(TZ = "GMT") will set the local time zone to GMT so there
would only be one time
zone regardless of whether local or GMT were used.
On Thu, Oct 10, 2024 at 11:17 AM Jan van der Laan wrote:
>
> Thanks.
>
> On 10/10/24 16:13, Jeff Newmiller wrote:
> > POSIXt vectors do not support differe
Thanks.
On 10/10/24 16:13, Jeff Newmiller wrote:
POSIXt vectors do not support different time zones element-to-element.
> I complained about this on this list a couple of decades ago, and was
chastised for it. Evidently handling timezones per element was
considered to be too impractically s
POSIXt vectors do not support different time zones element-to-element.
If you want to keep track of timezones per element, you have to create a vector
of timestamps (I would recommend POSIXct using UTC) and a parallel vector of
timezone strings. How you manipulate these depends on your use cases
It is not completely clear to me how time zones work with POSIXlt
objects. For POSIXct, I can understand what happens: time is always
stored in GMT, the `tzone` attribute only affects how the times are
displayed. All computations etc. are done in GMT.
POSIXlt objects have both a `tzone` att
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