Meh, the first time I've beaten it was in two minutes, while I was saving hundreds of persons from a burning building. Oh, also I was eating popcorn.
As for the real one, it probably took me more than 50 hours the first time I've played it, considering I almost didn't have any help at all (especially in places like the Great Deku Tree with the cobweb part and the Water Temple with... well, many things in it, really XD).
EDIT: I don't like having any gramatical errors >=(