[Tutor] comparing dates

[Chris Calloway]

On Nov 24, 2007, at 12:27 AM, Lawrence Shafer wrote:
> How would I compare these two dates and extract the difference in  
> H:M:S??

http://docs.python.org/lib/module-datetime.html
http://docs.python.org/lib/datetime-timedelta.html

> 22 Nov 2007 18:54:07
> 23 Nov 2007 23:24:23

 >>> import datetime
 >>> a = datetime.datetime(2007,11,22,18,54,7)
 >>> b = datetime.datetime(2007,11,23,23,24,23)
 >>> c = b - a
 >>> hours = (c.seconds / (60*60))
 >>> minutes = (c.seconds - (hours * 60*60)) / 60
 >>> seconds = c.seconds - (hours * 60*60) - (minutes * 60)
 >>> print str((c.days*24) + hours) + ":" + str(minutes) + ":" + str 
(seconds)
28:30:16
 >>>

--
Sincerely,

Chris Calloway
http://www.seacoos.org
office: 332 Chapman Hall cell: (919) 599-3530
mail: Campus Box #3300, UNC-CH, Chapel Hill, NC 27599


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