Build the figure-of-eight analemma for every whole hour across year. Each analemma fixes the local time-of-day and walks the calendar, which is what gives the dome its characteristic vertical hour-curves.
year
Optional
Build the figure-of-eight analemma for every whole hour across
year. Each analemma fixes the local time-of-day and walks the calendar, which is what gives the dome its characteristic vertical hour-curves.