[R] strptime with +03:00 zone designator

[jim holtman]

try using 'lubridate'

> library(lubridate)Attaching package: ‘lubridate’

The following objects are masked from ‘package:base’:

    date, intersect, setdiff, union
> x <- "2017-02-28T13:35:00+03:00"> ymd_hms(x)[1] "2017-02-28 10:35:00 UTC"

>



Thanks

Jim Holtman
*Data Munger Guru*


*What is the problem that you are trying to solve?Tell me what you want to
do, not how you want to do it.*


On Sun, Nov 5, 2023 at 3:45 PM Richard O'Keefe <raoknz using gmail.com> wrote:

> I have some data that includes timestamps like this:
> 2017-02-28T13:35:00+03:00
> The documentation for strptime says that %z expects
> an offset like 0300.  I don't see any way in the documentation
> to get it to accept +hh:mm with a colon separator, and
> everything I tried gave me NA as the answer.
>
> Section 4.2.5.1 of ISO 8601:2004(E) allows both the
> absence of colons in +hh[mm] (basic format) and the
> presence of colons in +hh:mm (extended format).
> Again in section 4.2.5.2 where a zone offset is combined
> with a time of day: if you have hh:mm:ss you are using
> extended format and the offset MUST have a colon; if
> you have hhmmss you are using basic format and the
> offset MUST NOT have a colon.  And again in section
> 4.3.2 (complete representations of date and time of day).
> If you use hyphens and colons in the date and time part
> you MUST have a colon in the zone designator.
>
> So I am dealing with timestamps in strict ISO 8601
> complete extended representation, and it is rather
> frustrating that strptime doesn't deal with it simply.
>
> The simplest thing would be for R's own version of
> strptime to allow an optional colon between the hour
> digits and the minute digits of a zone designator.
>
> I'm about to clone the data source and edit it to
> remove the colons, but is there something obvious
> I am missing?
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.
>

	[[alternative HTML version deleted]]