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Re: st: Coverting variable to date and time


From   Phil Clayton <philclayton@internode.on.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Coverting variable to date and time
Date   Fri, 24 May 2013 19:49:15 +1000

You can convert the string to a Stata "datetime" date using the clock() function:
gen double datetime=clock(yourstring, "YMDhms")

Then you can extract the date using the dofc() function, the hour using the hh() function, minutes mm() and seconds ss().

See -help datetime-.

Phil

On 24/05/2013, at 7:35 PM, Neophytos Stylianou <neophytos.stylianou@postgrad.manchester.ac.uk> wrote:

> Hello,
> 
> I am using Stata 12.1 and I have a variable containing date and time.
> 
> The problem is that it is a string variable and it contains both date and time within it.
> 
> I want to split them into date variable and time variable but also have the opportunity to have a date time combined variable.
> 
> Example of what the variable contains : 
> 
> 2005-02-19 09:38:00.000
> 2005-02-19 09:46:00.000
> 
> I want a variable of date i.e 19/02/2005 and time 09:38:00
> 
> I would do it manually if it was a small number of records but there are more than 1.3million rows
> 
> I know that I can combine the date and time variables which will be created using
> gen double datetime = date*24*60*60*1000 + time
> format datetime %tcNN/DD/CCYY_HH:MM:SS
> 
> Thanks for your help,
> Neo
> 
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