Question

which is the most accurate instrument for measuring time ?​

Answer 1

please mark it as a brainlist..

atomic clock

In the past, a common time measuring instrument was the sundial. Today, the usual measuring instruments for time are clocks and watches. For highly accurate measurement of time an atomic clock is used. Stop watches are also used to measure time in some sports.

Answer 2

Answer:

today sundials is accurate instrument for measuring time