longest time spent in a dream.

I was wondering what is the longest time you have ever spent inside a dream in dream time.
The other night I had a dream where two whole days passed in the dream but when I woke up I was only asleep for 3 hours.

Time skips around sometimes--there are dreams where I've been pretty sure that time passed, and that more than a day or two passed. The lucid ones generally last only about half an hour dream-time though.

Longest time I've spent in a dream... hmm... approximately nine months. This happened in dream in which I was a fugitive and I was being chased by the police - I got away from the town as quickly as I could with a car I'd stolen, having picked up my dream-girlfriend and another friend.
So we lived in a small mobile home in the middle of nowhere and while we lived there, I got my dream-girlfriend pregnant.
Also many other things happened, but it's all too long to be written here.

I had a very long dream a while ago. It was me on vacation in a trailer park somewhere in england (though it was in a desert, go figure) and it lasted about a week, though there were time skips included.