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Hour (Unit of Time)

Astronomy, Chronology, SI accepted units, Time measurement, Units of time / Astronomy, atomic time, chronology, civil time, clocks, history of timekeeping, hour, SI units, temporal measurement, time unit, timekeeping

The hour (symbol: h) is a unit of time conventionally defined as 60 minutes, or 3,600 seconds. Although it is not an SI base unit, it is an accepted unit for use with the International System of Units (SI) because of its universal role in civil timekeeping, astronomy, science, and daily human activity. The hour […]

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