Discover some of the timekeepers that have helped shape the history of the Royal Observatory.
Sometimes a clock is just a clock but ever so often a timekeeping device becomes the beating heart of a powerful empire or the key to unlocking one of the great mysteries of navigation.
See this slave clock connected to the Shepherd master clock yourself to the left of the gate at the Royal Observatory.
How can a dolphin tell the time to the nearest minute?
Imagine if you created a whole new type of clock, how would it work? Find Flamsteed's brilliant (but doomed) attempt to make a perfect astronomers' clock.
Make time to find the master clock at the heart of Britain's time system (and much of the world's) for many a year.
Clock this special time-keeper designed to keep astronomers on time when star hunting.