Time & Weather Comparison
Sydney is the capital city of the state of New South Wales and the most populous city in Australia.
Sydney is 10 hours ahead of Siena
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Sunrise in Sydney happens 10 hrs 58 mins later than in Siena
Sunset in Sydney happens 6 hrs 35 mins earlier than in Siena
Day length in Sydney is 6 hrs 26 mins longer than in Siena