| Sundial Museo della Civiltà Contadina del Friuli 
				Imperiale  (Sundials courtyard) Photo n° 3 | 
				The hemispheric solar 
				clock remained in use for more than a millenium until the fall 
				of the Roman Empire. 
				 
				The time indicated (“Ora Temporaria”, 
				called “ancient”) corresponds to the twelfth part of the diurnal 
				arch, which begins at dawn.
				 
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