Telling the time on Google Earth

The KT Palmer Sundial is the largest in North America, described well at The Big Waste of Space. As sundials were primarily designed for telling the time it should be easy to find out when this satellite photograph was taken. By my measurements the shadow of the sundial is at 337 degrees or 11 hours 14 minutes1. To translate this to the local time we must adjust for the sundial’s location on the Earth by following the instructions in this article. Arizona is Mountain Standard Time (MST), which is GMT – 7 so the centre longitude is 105…

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