Sorry for the late posting, but we were off-line for a week. I agree with Gianni: this seems to be a correct and interesting design.
Just a guess: the dots may be led's that show the time also at night. And as Tokushima is less than 0.5° west of the Japanese time zone meridian, this might be civil time (except EoT correction). Best regards, Frans Maes Gianni Ferrari wrote: > As others have already written it is a vertical sundial, facing South, > with polar style, with its center in the point A of the attached figure. > > Since the style continues beyond the disk, the part BC of it can work > as a polar style of a sundial facing North, with center in B, drawn on > the hidden face of the disk. > > Even if the style BC is very short, being the northern face > illuminated only in the extreme hours of the day, the shadows would be > long enough to reach the edge of the disk. > > The northern side of the disk has been being illuminated from 5:30 to > 8:00 (around) and from 16:00 to 18:30 > > The lines of the hours on the northern face would be those drawn on the > southern face for the same hours (see the Roger Bailey’s drawing) > > > > Does someone know if the hours are written also on the northern face of > this sundial ? > > > > Best Regards > Gianni Ferrari > > > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
