Hour

The hour (symbol: h) is a unit of measurement used to measure time. The hour is equal to sixty minutes. Twenty-four hours are equal to one day. Unlike the second, the hour is not a base SI unit.

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v t e SI units
Authority: International System of Units (BIPM)
Base units	Ampere Candela Kelvin kg metre mole s
Units based on base units	Bq Ci C °C F Gy Henry Hz J kcal BTU Katal lumen lux N Ω Pa rad Siemens Sv Steradian T V W Wb
Other units	AU bar Day Parsec dB Degree of arc Electronvolt Hectare h litre Gallon min Tonne Da amu
See also	Conversion of units Metric prefixes Systems of measurement
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