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.

Shepherd gate clock
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See this slave clock connected to the Shepherd master clock yourself to the left of the gate at the Royal Observatory.

Image of the Dolphin dial at the Royal Observatory
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How can a dolphin tell the time to the nearest minute?

Angle clock by Tompion
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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.

William Hardy transit clock
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Clock this special time-keeper designed to keep astronomers on time when star hunting.