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keisanHigh-precision calculations for everyday life and work

Edo Period Time Conversion (Fixed-Hour System)

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Converts time expressions based on Japan’s traditional fixed-hour system to modern time notation.
The fixed-hour system was used until the Muromachi period, but from the Edo period onward, it appears to have been a time system used exclusively by calendar scholars.
Conversions to modern dates may vary slightly, as there are various theories depending on the era in question.

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