I put astronomical clocks in a different category since they were not as controlled (clouds/rain etc) and were used as much for calibrating the controlled clocks and calendars as for direct time telling.
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Have you read Stephenson’s “System of the World” trilogy?
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I've only read cryptonomicon and diamond age
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Oriental cultural used to use scent... Changes throughout day... So time of day telling was according to scent in the air!
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