This dial was designed with the intention of being principally a moon dial. It is over the doorway of a house extension and is a partner for a big vertical sundial I made for the client some years ago. It is direct east facing, made in Witton Fell sandstone from Yorkshire. The nodus star is based on that on Albi Cathedral’s direct east and west-facing dials. The spot of light passing through a hole in the centre of the star indicates local apparent time and date. Use of the Equation of Time given on a correction chart inside the porch below the dial enables mean time to be worked out, but an additional chart allows the much bigger lunar corrections of hours and minutes to be made for one week each side of full moon. The silver-painted moon on the dial has some of the larger craters and maria marked out.
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We are taking a break from publishing Dials of the Month and instead plan a new, occasional feature describing members’ dials. Thanks to Julian Lush for providing the first example, which he made astonishingly quickly!
In the build=up to the 2016 conference, Mike was interviewed on Radio Merseyside. Listen to his interview below: in about 5 minutes he covers the gnomonics, time-keeping, digital dials, the Society and much else. It’s too late now for this year’s conference but this is a great introduction to why sundials are so addictive.
With the 2016 Conference of the Society well under way at Liverpool, members of the Society constructed an analemmatic dial using one of Sir Anthony Gormley’s life-size sculptures on Crosby beech. Accurately laid out to tell the time year round, sadly the sun didn’t shine and the tide ensure it has a limited life!
UPDATE DEC 2016
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This horizontal sundial in the southern hemisphere is by James A. Stegenga. It is located on the plaza in front of the jury room beside the City Courthouse in Marataízes which is about two degrees north of the Tropic of Capricorn and about 300 miles north-east of Rio de Janeiro, Brazil. The dial plate is in the shape of Brazil and the design incorporates 13 green nail heads marking the locations of 13 cities in Brazil. It was constructed over the period April to November 2015.