From Time Zone to Time Zone... the watch that sets itself!

摘要

Setting your watch and knowing the correct time―sounds simple, but in my house every clock is set to a slightly different time. As the clocks change for daylight savings, sometimes weeks go by before the clocks are reset properly. And after the lights flicker in a thunderstorm, it seems like every appliance has a clock that needs to be reset. Well, the US Government has spent millions to help give us the exact time. They built the most accurate clock in the world.