Date operations on xsl 1.0

Question

I need to get 3 days before and after a given date defined in a variable, and store each one of them in a new individual variable in xsl 1.0. i can\'t use any extensions or

Answer 1

Adding/subtracting number of days to/from date in pure XSLT 1.0:

Result:

   2014-05-13T00:00:00
   2014-05-10

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Note that the givenDate's parameter value is a string and as such must be wrapped in single quotes.