For over 3,000 years the Sundial was the only way to tell day time. Sundials were often built in public plazas or common squares to serve citizens in European and Middle Eastern countries.

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Then, around 1500 C.E. in Europe, mechanical clocks began to appear. One of the first reading clocks was created with only one hand to indicate the 24-hour cycle. It was a splendid idea and a sensational event.
  
Note: The direction of the hours on this clock were designed based on the Earth Rotation Movement. Counterclockwise.

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And around 1700 C.E., after many alterations in dial designs and hand shapes, timepieces were designed with 12-hour cycles and with an extra hand to indicate the minutes. Again, another significant improvement.

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And now, a remarkable evolution has emerged:
It's the Sundial-inspired clock.
Easy to learn, easy to read.

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