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st: RE: dates and elapsed time

From   "Kieran McCaul" <>
To   <>
Subject   st: RE: dates and elapsed time
Date   Tue, 10 Aug 2010 07:05:06 +0800


You need to use the -date- function.

di %d date("17-Mar-85", "DM19Y")

So, if you have dates stored as strings in two variables, date1 and

gen firstdate = date(date1, "DM19Y") 
gen seconddate = date(date2, "DM19Y")
format firstdate seconddate %d

gen n_days = seconddate - firstdate

-----Original Message-----
[] On Behalf Of Kirsten Beyer
Sent: Tuesday, 10 August 2010 6:42 AM
Subject: st: dates and elapsed time


I am relatively new to STATA and have been unsuccessful in formatting
dates, then calculating the number of days between them.

Dates are in the following format: 17-Mar-85

Any advice?

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