[R] Strange result for strptime with %p

PIKAL Petr petr@p|k@| @end|ng |rom prechez@@cz
Tue Oct 2 15:39:55 CEST 2018


Hi

Maybe it is connected to
%I
Hours as decimal number (01–12).

Your input has hour as 00

Cheers
Petr

> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of Marc Girondot via
> R-help
> Sent: Tuesday, October 2, 2018 3:30 PM
> To: R-help Mailing List <r-help using r-project.org>
> Subject: [R] Strange result for strptime with %p
>
> Dear members... are these results normal ?
>
> For the first one, no problem. I expected this:
>
>  > strptime("05/01/18 01:00:00 AM", format = ("%m/%d/%y %I:%M:%S %p"),
> tz="Asia/Jayapura")
> [1] "2018-05-01 01:00:00 WIT"
>
> For this one, it is ok also:
>
>  > strptime("05/01/18 01:00:00 AM", format = ("%m/%d/%y %I:%M:%S %p"),
> tz="Asia/Jayapura")-1
> [1] "2018-05-01 00:59:59 WIT"
>
> But how to explain this ???
>
>  > strptime("05/01/18 00:59:59 AM", format = ("%m/%d/%y %I:%M:%S %p"),
> tz="Asia/Jayapura")
> [1] NA
>
> Thanks for your advices
> Marc
> ______________________
>
> R 3.5.1 on MacOS 10.14
>
>  > version
>                 _
> platform       x86_64-apple-darwin15.6.0
> arch           x86_64
> os             darwin15.6.0
> system         x86_64, darwin15.6.0
> status
> major          3
> minor          5.1
> year           2018
> month          07
> day            02
> svn rev        74947
> language       R
> version.string R version 3.5.1 (2018-07-02)
> nickname       Feather Spray
>
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