Sun clock
Interesting Oldest time devices Types- solid - portable Time is determined by shadow The oldest clock in Trutnov range.
History of sun clock First sun clock is only stick in earth. But first clock what look like this. Is from Ireland.
Pictures of sun clock shadow
Clock in Trutnov address: Trutnov coordinates: 15° 54' v. d., 50° 34' s. š. contractor: Lubor Nosek azimuth wall: 0°
Second clock in Trutnov address: Trutnov, U hřiště 212 coordinates: 15° 53' 12'' v. d., 50° 35' 8.8'' s. š. contractor: Petr Weiss azimuth wall: JZ
Sun clock in Dvůr Králové address: Dvůr Králové nad Labem, T. G. Masaryka coordinates: 15° 48' 49.4'' v. d., 50° 25' 55.6'' s. š. contractor: J. Mužík azimuth wall: -8°
Second clock in Dvůr Králové address: Dvůr Králové nad Labem, T. G. Masaryka coordinates: 15° 48' 49.6'' v. d., 50° 25' 55.6'' s. š. contractor: Jan Engelbrecht, Miloš Nosek and Jiří Kašpar azimuth wall: -8,55°
How it work ? By shadow you know time, because the light from sun give shadow and show time on dial. shadow
How it work ? Animation of sun clock.