Spectrum of Time, Rainbow Sundial calendar. Visitors walk inside a living map of the solar year. Each “Rainbow Sundial calendar” is a unique joining of astronomy, architecture, locale, and art. Spectrum of Time, Rainbow Sundial calendar. Visitors walk inside a living map of the solar year. Each “Rainbow Sundial calendar” is a unique joining of astronomy, architecture, locale, and art. 1.10.1999 10:16 am.

Sun Moon and Stars, Spectrum of Time, Rainbow Sundial calendar.