A gnomon. You don't pronounce the "g".
How about a sun dial, an automatic or battery operated watch.
a protable sun dial
Sun Dial was created in 1990.
The plural is sun dials.
Using a angle shaped piece of metal that would measure the shadow of the sun, telling you the time of day. It's called a sun dial.
No. The sun dial was an early device to help tell time.
You can use a sun dial.
The duration of The Vertical Ray of the Sun is 1.87 hours.
Two other types of sundials are the equatorial sundial and the vertical sundial. The equatorial sundial has a dial plate that is parallel to the equatorial plane, allowing it to be accurate at all latitudes. The vertical sundial has a dial plate that is perpendicular to the ground and faces south, making it suitable for mounting on vertical surfaces like walls.
a sun dial
The Vertical Ray of the Sun was created on 2001-07-06.
The Message of the Sun Dial - 1914 was released on: USA: 20 January 1914