Recent content by frkrygow

I almost forgot: Here's a talk on how one woman did a similar project:

I'm in the northern hemisphere, but I'm nearly done constructing such a sundial on the ceiling of my study. I'm an engineer, not an astronomer, so it's been very educational. What I did: I placed a small chip of mirror about 10 mm x 25mm horizontally on a window ledge about a meter below the...