#italian_six-hour_clock

Italian six-hour clock

Historic timekeeping system

The six-hour clock, also called the Roman or the Italian system, is a system of date and time notation in Italy which was invented before the modern 24-hour clock. In this system, the day starts at the evening, at the end of twilight, approximately half an hour after sunset, and the following 24 hours are divided into four cycles of six hours each.

Fri 20th

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