AS pendulum clock gives correct tiem at the equator, Wil it gain tme r loose time as it is taken to the poles?

A pendulum clock gives correct Time at the equator, Wil it gain time or loose time as it is taken to the poles?

A pendulum clock gives correct Time at the equator, Wil it gain time or loose time as it is taken to the poles?

A pendulum clock gives correct time at the equator. Will it gain or lose time if it is taken to the poles? If so, why?

A pendulum clock keeping correct time tis taken to high altitude

A pendulum clock keeping correct time is taken to high altitudes

A pendulum clock keeping correct time is taken to high altitudes