When it is cloudy, or during the night.
You can use a sun dial.
No. The sun dial was an early device to help tell time.
sun dial
a sun dial which used a show to tell the time
well when their sun dial is malfunctioning, theyll use a watch
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.
by looking at the sun or using a sun dial or an hour glass or mabey they had watches u never kno......
the original purpose of the sundial was to tell time! however, now that we have phones and clocks and such, we have no need!
A sundial is a way to tell time without a clock. It uses the sun and positions of shadows to tell the time. These are fairly accurate.
A sundial is a device that measures time by the position of the Sun
The approximate time of the day, based on the position of the sun.
The sun dial was used for telling time. The sundial would cast a shadow so people know what time of day it was by where the shadow fell.