More Sundial Sites
Sundial Software - Freeware
- Download here the Excel spreadsheet Sun_57 by dialist Ricardo
Cernic. It shows the ephemerides of sun, the actual values of many different hour types, the Equation of Time and
sunrise/-set for different years.
Eight Languages are offered:
Czech, Dutch, English, French, German, Portuguese, Spanish and Russian
- The Zonnewijzerkring
offers Fer de Vries' free software for
the computation of flat sundials
Since Fer de Vries has died his software is not updated any longer.
- Software SONNE by Helmut Sonderegger calculates
a big variety of sundial types on flat and cylindric planes.
- The new version 2.1 of
ALEMMA by Helmut Sonderegger calculates many types of analemmatic sundials. Also of course the "classical"
type on a horizontal plane with a person as the shadow casting time indicator.
- Another software (freeware) for the calculation of sundials is Orologi Solari by Gian Casalegno. Download from his web page.