Sundials - World's Oldest Clocks

North American Sundial Society

Seattle Bench Sundial with Memories

Unique Bench Sundial with Memories

Digital Gnomon Sundial

A new approach to digital sundials - A shadow casting gnomon

3D Print Your Own Digital Sundial

Julien Coyne Invents a 3D Print Digital Sundial Gnomon

Virtual Sundial at Museo Galileo

Virtual Sundail at Museo Galileo