This is exactly what I needed. Thanks again for all your help.
----- Original Message ----
From: Henrique Dallazuanna <www...@gmail.com>
To: Jason Rupert <jasonkrup...@yahoo.com>
Cc: R-help@r-project.org
Sent: Wed, November 4, 2009 11:22:52 AM
Subject: Re: [R] Convert H:MM:SS PM /AM into 24 HR syntax
Try this:
strptime("5:27:15 PM", "%I:%M:%S %p")
On Wed, Nov 4, 2009 at 3:19 PM, Jason Rupert <jasonkrup...@yahoo.com> wrote:
> I've got an array of times in H:MM:SS PM/AM format, e.g. "5:27:15 PM" (no
> leading zero), and I would like to convert them over to 24 HR syntax, e.g.
> HH:MM:SS.
>
> If it matters, the times are from the Central Time zone.
>
> Is there a command to convert the time to a 24HR format?
>
> I tried the following:
> ptime("5:27:15 PM", "%H:%M:%S")
> [1] "2009-11-04 05:27:15"
>> strptime("5:27:15 PM", "%h:%M:%S")
> [1] NA
>> strptime("5:27:15 PM", "%R:%M:%S")
> [1] NA
>> strptime("5:27:15 PM", "%r:%M:%S")
> [1] NA
> Note that the top one is incorrect due to it not using the "PM" indicator.
>
> Thank you for any insights any feedback that can be provided.
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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