Of course, poking around looking for sun information, you can't help but fall over sundials everywhere...
So I made my own. Here's where I found how to space the hours. Here you can see the noon time differences for your location.
And there are lots of sites (of course) which show things like finding north using the Shadow Plot method.
Of course I had to use the iPhone to find true north.
Given it also has a clock which is accurate to 1 microsecond per millenium, you'd wonder: why bother.
But it gave me a kick to walk past it during the day and go "Yup, that's right"
And take some photos with my iPhone (as all in this thread were...)
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