Hour
Hour is a unit of time that is equal to 60 minutes or 3600 seconds. It is a common measure of time used in many parts of the world and is one of the key units used in timekeeping.
Definition[edit | edit source]
The hour is a unit of time that is equal to 1/24th of a day. The exact definition of an hour can vary depending on the context in which it is used. In modern usage, an hour is a constant unit of time that is always equal to 60 minutes or 3600 seconds.
History[edit | edit source]
The concept of the hour has a long history, dating back to the ancient civilizations of Egypt and Babylon. These civilizations divided the day into 24 hours, a system that was later adopted by the Greeks and Romans.
Usage[edit | edit source]
The hour is used in many different contexts, from everyday life to scientific research. It is a fundamental unit of time in many systems of timekeeping, including the 24-hour clock and the 12-hour clock. The hour is also used in various expressions and idioms, such as "the eleventh hour" and "hour of need".
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
