Radio controlled clocks are great for accurate time keeping. Designed to automatically keep the correct time all the time these clocks receive a time signal from an atomic clock broadcast.
The atomic clock is accurate to less than 1 second every million years, and radio controlled clocks are synchronised with this broadcast so they are always right.
The radio controlled signal is broadcast over a 1500km radius so can be picked up all over the UK. Some buy a clock that’s always right…
