This is the first time keeping device , with the remains of Egyptian obelisk's date back to 5,000 B.C. The first documented Sundial's were made by the Egyptians in 800 B.C. and were made of green schist.

The sundial on the side of the church in the centre of Enschede, The Netherlands. Maybe they didn't trust the clock in the church tower much: Olympus Stylus 1s, 100mm, ISO100, f5.6, 1/1250s Thanks for