![]() Most had their problems but the water vessel worked more reliably in warmer climates. Many inventions were created to try and tell a certain length of time - burning damp rope, burning oil in marked lamps, sand timers and water vessels pierced with holes allowing water to slowly trickle with indications showing the level of time. The moon's monthly cycle, along with its passage through the 12 constellations of the zodiac, indicates the months and becomes the calendar function of the celestial clock. ![]() The sun's position in the sky is higher in the summer and lower in the winter and sun dials progressed to use the changing seasons and the suns path to tell the time and to give an idea of the date. The sun movements also help tell the time of year because the sun drifts into the north during the summer and south for the autumn and winter months. A stick angled into the ground casts a shadow that moves in a semi circle around the stick which has markers that divide the day into equal parts. The celestial clock relies on the sun for it''s hour hand - as it passes from east to west it casts a shadow. They called the hours "unequal" or "seasonal" because the lengths obviously changed with the seasons and between night and day as it was tied to the solar day. The moon also displayed patterns that they became familiar with.With this in mind they learned to use the sun and the moon to map out their days and this was know as the celestial clock.Īncient Egyptians were the first to separate night and day into a 24 hour time frame. Man still need something to help him pinpoint certain times in the day, and they noticed that the sun cast shadows differently in the morning than evening and the sun peaked lower and lower when winter was imminent. ![]() Obviously over a period of time early man could see a pattern evolving and learned when to plant and harvest, hunt or gather food ready for the hard approaching winter months. Days revolved around natural progressions of day and night, summer and winter.
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