The cantilever spar of this cable-stay bridge, the Sundial Bridge at Turtle Bay, forms the gnomon of a large garden sundial

The gnomon is the part of a sundial that casts the shadow. Gnomon is an ancient Greek word meaning "indicator", "one who discerns," or "that which reveals." Download high resolution version (585x1024, 207 KB)Sundial Bridge, Redding, California. ... Download high resolution version (585x1024, 207 KB)Sundial Bridge, Redding, California. ... A cable-stayed bridge is a bridge that consists of one or more columns (normally referred to as towers or pylons), with cables supporting the bridge deck. ... The Sundial Bridge is a cantilever spar cable-stayed bridge that spans the Sacramento River in Redding, California. ... Wall sundial-a vertical direct south dial Wall sundial in Warsaws Old Town- a vertical south west decliner dial A sundial is a device that measures time by the position of the Sun. ...

In the northern hemisphere, the shadow-casting edge is normally oriented so that it points north and is parallel to the rotation axis of the Earth. That is, it is inclined to the horizontal at an angle that equals the latitude of the sundial's location. On some sundials, the gnomon is vertical. These were usually used in former times for observing the altitude of the sun, especially when on the meridian. The style is the part of the gnomon that casts the shadow. This can change as the sun moves. For example, the upper west edge of the gnomon might be the style in the morning and the upper east edge might be the style in the afternoon. An angle is the figure formed by two rays sharing a common endpoint, called the vertex of the angle. ... Latitude, usually denoted symbolically by the Greek letter phi, , gives the location of a place on Earth north or south of the equator. ... On the earth, a meridian is a north-south line between the North Pole and the South Pole. ...

The gnomon is the triangular blade in this sundial.

The art of constructing a gnomon sundial is sometimes termed gnomonics. Image File history File links Sundial_Taganrog. ... Image File history File links Sundial_Taganrog. ... This article needs to be wikified. ...

Gnomon may also imply the design paradigm relationship between an indicator and a dial or other reference, as with a speedometer and needle. In this case, the needle functions as a gnomon against the incremented speedometer background. Design paradigms are models, archetypes, or quintessential examples of designed solutions to problems. ...

Gnomon is also the name given to an aesthetic process utilised by James Joyce in his set of short stories Dubliners, whereby the whole of the character is revealed by a part, the part that reveals. James Augustine Aloysius Joyce (Irish Séamus Seoighe; 2 February 1882 – 13 January 1941) was an Irish writer, widely considered to be one of the most influential writers of the 20th century. ... For the Irish folk band, see The Dubliners. ...

Anaximander is credited to introduce this Babylonian instrument to the Greeks. Anaximander Possibly what Anaximanders map looked like Anaximander (Greek: Αναξίμανδρος)(c. ... Babylonia was an ancient state in Iraq), combining the territories of Sumer and Akkad. ...

References

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Category:Sundials

• Gazalé, Midhat J. Gnomons, from Pharaohs to Fractals, Princeton University Press, Princeton, 1999. ISBN 0-691-00514-1.

• Waugh, Albert E., Sundials: Their Theory and Construction, Dover Publications, Inc., 1973, ISBN 0-486-22947-5.

• Mayall, R. Newton,Mayall, Margaret W., Sundials: Their Construction and Use, Dover Publications, Inc., 1994, ISBN 048641146X

• The Sundial Primer