The Nebraska Star Party | The Nebraska Star Party

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Sundials. Design. Restore. Scotland | Macmillan Hunter Sundials

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Department of History and Philosophy of Science |

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Senthil Arumugam's Pages

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Sundials of Scotland

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Ashkbiz Danehkar's Astrophysics Pages - Physics and Astronomy

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Patrick M. Hartigan

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Software for word counting, solar & lunar calendar Conversion and more

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University of Maryland: Department of Astronomy

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Calendopaedia - The Encyclopaedia of Calendars

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Physik und Astronomie: Applets, Materialien

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Institute of Astronomy

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