08. The Sydney Observatory (Optional)

Back at the Cahill walk sign, take the right path, the one without the stairs. Walk over to the observatory, and look around the interesting museum. If you’re there at 1 o’clock, you can watch the ‘time ball’ drop. Return to the Cahill walk sign.

The Sydney Observatory was built in the 1800s. It was originally built to calculate the time. After calculating the time using the sun and stars, a yellow ball is lowered down a pole on the roof at exactly 1 o’clock each day, so that everyone in Sydney and the harbour can reset their clocks.

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