incrementing a time tuple by one day

[David Stockwell]

Thanks,

I figured it out with your help.  Thanks :)

David
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>From: Peter Hansen <peter at engcorp.com>
>To: python-list at python.org
>Subject: Re: incrementing a time tuple by one day
>Date: Thu, 23 Sep 2004 13:24:05 -0400
>
>David Stockwell wrote:
>>I'm sure this has been asked before, but I wasn't able to find it.
>>
>>First off I know u can't change a tuple but if I wanted to increment a 
>>time tuple by one day what is the standard method to do that?
>>
>>I've tried the obvious things and haven't gotten very far.
>>
>>I have a time tuple that was created like this:
>>aDate = '19920228'
>>x = time.strptime(aDate,"%Y%m%d")
>>print x
>>(1992, 2, 28, 0, 0, 0, 4, 59, -1)
>>
>>y = time.mktime(x) + time.mktime((0,0,1,0,0,0,0,0,0))
>>print y
>>1643277600.0
>>print time.ctime(y)
>>'Thu Jan 27 05:00:00 2022'
>>
>>It appears to have decremented by a day and a month instead of increment.
>>
>>What am I doing wrong?
>
>What you're doing wrong is: not using the datetime module...
>
> >>> aDate = '19920228'
> >>> x = time.strptime(aDate, '%Y%m%d')
> >>> print x
>(1992, 2, 28, 0, 0, 0, 4, 59, -1)
> >>> d = datetime.datetime.fromtimestamp(time.mktime(x))
> >>> d
>datetime.datetime(1992, 2, 28, 0, 0)
> >>> y = d + datetime.timedelta(days=1)
> >>> y.ctime()
>'Sat Feb 29 00:00:00 1992'
>
>
>-Peter
>--
>http://mail.python.org/mailman/listinfo/python-list

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