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Hexadecimal time is the representation of the time of
day A day is the time period of a full rotation of the Earth with respect to the Sun. On average, this is 24 hours, 1440 minutes, or 86,400 seconds. In everyday life, the word "day" often refers to a solar day, which is the length between two so ...
as a
hexadecimal In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of 16. Unlike the decimal system representing numbers using 10 symbols, hexa ...
number in the interval [0, 1). The day is divided into 1016 (1610) hexadecimal hours, each hour into 10016 (25610) hexadecimal minutes, and each minute into 1016 (1610) hexadecimal seconds.


History

This time format was proposed by the Swedish-American engineer John W. Nystrom in 1863 as part of his ''tonal system''. In 1997, the American Mark Vincent Rogers of Intuitor proposed a similar system of hexadecimal time and implemented it in JavaScript as the Hexclock.


Implementation

A day is unity, or 1, and any fraction thereof can be shown with digits to the right of the hexadecimal
separator Separator can refer to: * A mechanical device to separate fluids and solids, like ** Cream separator, separates cream from milk ** Demister (vapor), removal of liquid droplets entrained in a vapor stream ** Separator (oil production), of an oil pr ...
. So the day begins at midnight with .0000 and one hexadecimal second after midnight is .0001. Noon is .8000 (one half), one hexadecimal second before was .7FFF and one hexadecimal second before next midnight will be .FFFF. Intuitor-hextime may also be formatted with an underscore separating hexadecimal hours, minutes and seconds. For example:


Clock


Conversions


See also

* Binary time *
Decimal time Decimal time is the representation of the time of day using units which are decimally related. This term is often used specifically to refer to the time system used in France for a few years beginning in 1792 during the French Revolution, whic ...
* Metric time


References


Further reading

*


External links


Hexadecimal Time Applet
- digital and analog
True Binary Time
- local time as a binary number

- Florence Mean Time
Hexadecimal To Decimal Converter
at binaryconverterpro.com {{Time Topics Time measurement systems Hexadecimal numeral system Clock designs