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  2. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    24-hour digital clock in Miaoli HSR station. A public 24-hour clock in Curitiba, Brazil, with the hour hand on the outside and the minute hand on the inside.. A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of ...

  3. 12-hour clock - Wikipedia

    en.wikipedia.org/wiki/12-hour_clock

    The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday") and p.m. (from Latin post meridiem, translating to "after midday"). [1] [2] Each period consists of 12 hours numbered: 12 (acting as 0), [3] 1, 2, 3, 4

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  5. Hobbs meter - Wikipedia

    en.wikipedia.org/wiki/Hobbs_meter

    A Hobbs Meter made by General Electric about 1970. Hobbs meter is a generic trademark for devices used in aviation to measure the time that an aircraft is in use. The meters typically display hours and tenths of an hour, but there are several ways in which the meter may be activated:

  6. CPU time - Wikipedia

    en.wikipedia.org/wiki/CPU_time

    Modern CPUs have several clocks and counters, such as the Time Stamp Counter, the High Precision Event Timer, and the Real-time Clock, each with a specialized use. When a program wants to time its own operation, it can use a function like the POSIX clock() function, which returns the CPU time used by the program.

  7. Striking clock - Wikipedia

    en.wikipedia.org/wiki/Striking_clock

    The Kremlin Clock on the Moscow Kremlin rings in 2012.. The most basic sort of striking clock simply sounds a bell once every hour; this is called a passing strike clock. . Passing strike was simple to implement mechanically; all that must be done is to attach a cam to a shaft that rotates once per hour; the cam raises and then lets a hammer fall that strikes t

  8. Glucose Monitors Are Finally Available Over the Counter - AOL

    www.aol.com/news/glucose-monitors-finally...

    Over-the-counter continuous glucose monitors empower consumers with valuable health insights without the need for a doctor’s prescription. ... pricking my finger an hour or two after eating, as ...

  9. Complication (horology) - Wikipedia

    en.wikipedia.org/wiki/Complication_(horology)

    In horology, a complication is any feature of a timepiece beyond the display of hours, minutes and seconds. A timepiece indicating only hours, minutes and seconds is known as a simple movement. Common complications include date or day-of-the-week indicators, alarms, chronographs (stopwatches), and automatic winding mechanisms.