Sunny Day! This isn't a card dial but it is made of paper and might just get you to lunch on time. It could work for the application that Gerard Hughes spoke about. It can be adjusted for latitude, longitude and the equation of time. Unfortunately it will only work for half the year. It is an equatorial sundial and I have attached an image of the dial plates. The two plates can be printed on card stock and sealed in plastic to protect them from the weather. To give the sundial rigidity the right plate can be glued to rigid styrofoam or a piece of wood and the support then cut out to shape. The vertical gnomon is positioned at the centre of the circle. The stiff wire from a clothes hanger works well. The thinner...the better. The left plate is placed so it rotates about the gnomon. To adjust the dial plate to compensate for longitude and the EoT, a copy of the "Correct-A-Dial II" for your longitude would provide the corrections required. The top plate is rotated in the required direction so the sundial will read clock time. The vernier will help you to accurately correct the sundial to the nearest minute. All that is required is a stand that allows the sundial to be adjusted to the desired latitude. Happy Dialling!
Carl Sabanski www.mysundial.ca "Get Hooked on Gnomonics!"
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