As all other equipments, the most advanced and accurate electronic clocks are likely to show a discrepancy due to manufacturing defects, temperature variation, electric and magnetic interference and aging quartz crystal etc. Even a slight error in keeping time can significantly add up over a long period of time.

The purpose of the GPS synchronized clock is to eliminate the need for manual clock setting (an error-prone process). The benefits of this are numerous and include: legally validated time stamps, regulatory compliance, secure networking and operational efficiency etc.