How to get the current date in xslt, and minus this from another date?

[EDN Admin]

Hi, Im reading in a date/time from xml, and Im wanting to subtract the current date from the other, and say how many hours/minutes the date is from now.

Ive found the XPath Extension functions, but there doesnt appear to be any function which can minus two date/times.

How would I go about doing this?


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