The gnomon is the indicator on a sundial.
It is called a Gnomon
pin clock
the shadow of the sundial is just called a shadow
gnomon
gnomon
It is called a Gnomon
pin clock
the shadow of the sundial is just called a shadow
gnomon
gnomon
gnomon
Gnomon
The first type of clock was called a sundial, and the oldest sundial dates back to around 1500 BC.
Gnomon
It is a sundial it is also called a sun clock.
The top of the pin is called the head of the pin.
The answer is gnomon