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Hexadecimal time

GMT at page generation (Update)
24-hour time 11:03:53
Hexadecimal time .7606

Hexadecimal time is the representation of the time of day as a hexadecimal number in the interval [0, 1).

Nystrom's tonal clock-face. The proposed figures on the right are based on rotations of those on the left (assigning value 10 to symbol 9).
A hexadecimal clock-face (using the Florence meridian)

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 edit

This time format was proposed by the Swedish-American engineer John W. Nystrom in 1863 as part of his tonal system.[1]

In 1997, the American Mark Vincent Rogers of Intuitor proposed a similar system of hexadecimal time and implemented it in JavaScript as the Hexclock.[2]

Implementation edit

A day is unity, or 1, and any fraction thereof can be shown with digits to the right of the hexadecimal separator. 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 edit

Hex Hex (Boardman) ISO 8601 Comment
.0100 0_10_0 00:05:37.5
.0200 0_20_0 00:11:15
.0400 0_40_0 00:22:30
.0800 0_80_0 00:45:00
.1000 1_00_0 01:30:00 1.5:24 = 1:16 = 0.1
.8000 8_00_0 12:00:00 12:24 = 8:16 = 0.8
.F000 F_00_0 22:30:00 22.5:24 = 15:16 = 0.F
.F800 F_80_0 23:15:00

Conversions edit

Hex hexsec
base 16
hexsec
base 10
Traditional
1 day = 10000 = 65536 = 24 h
1 hexadecimal hour = 1000 = 4096 = 1 h 30 min
1 hexadecimal maxime = 100 = 256 = 5 min 37.5 s
1 hexadecimal minute = 10 = 16 = 21.09375 s
1 hexadecimal second = 1 = 1 = 1.318359375 s
1 second = 0.C22E4 = 0.75851 = 1 s

See also edit

References edit

  1. ^ Nystrom, John William (1862). Project of a New System of Arithmetic, Weight, Measure and Coins: Proposed to be Called the Tonal System, with Sixteen to the Base. Lippincott. p. 105.
  2. ^ "Intuitor Hex Headquarters, The Hex Clock". www.intuitor.com. Retrieved 2020-04-02.

Further reading edit

  • Whitaker, Ronald O. (October 1972). "Digital Time". Letters. Physics Today. Vol. 25, no. 11. Indianapolis, Indiana, USA: American Institute of Physics. p. 79. doi:10.1063/1.3071119. from the original on 2022-12-24. Retrieved 2022-12-24.

External links edit

  • - digital and analog
  • True Binary Time - local time as a binary number
  • Analog hexadecimal clock - Florence Mean Time


hexadecimal, time, page, generation, update, hour, time, 7606, representation, time, hexadecimal, number, interval, nystrom, tonal, clock, face, proposed, figures, right, based, rotations, those, left, assigning, value, symbol, hexadecimal, clock, face, using,. GMT at page generation Update 24 hour time 11 03 53 Hexadecimal time 7606 Hexadecimal time is the representation of the time of day as a hexadecimal number in the interval 0 1 Nystrom s tonal clock face The proposed figures on the right are based on rotations of those on the left assigning value 10 to symbol 9 A hexadecimal clock face using the Florence meridian The day is divided into 1016 1610 hexadecimal hours each hour into 10016 25610 hexadecimal minutes and each minute into 1016 1610 hexadecimal seconds Contents 1 History 2 Implementation 2 1 Clock 2 2 Conversions 3 See also 4 References 5 Further reading 6 External linksHistory editThis time format was proposed by the Swedish American engineer John W Nystrom in 1863 as part of his tonal system 1 In 1997 the American Mark Vincent Rogers of Intuitor proposed a similar system of hexadecimal time and implemented it in JavaScript as the Hexclock 2 Implementation editA day is unity or 1 and any fraction thereof can be shown with digits to the right of the hexadecimal separator 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 edit Hex Hex Boardman ISO 8601 Comment 0100 0 10 0 00 05 37 5 0200 0 20 0 00 11 15 0400 0 40 0 00 22 30 0800 0 80 0 00 45 00 1000 1 00 0 01 30 00 1 5 24 1 16 0 1 8000 8 00 0 12 00 00 12 24 8 16 0 8 F000 F 00 0 22 30 00 22 5 24 15 16 0 F F800 F 80 0 23 15 00 Conversions edit Hex hexsec base 16 hexsec base 10 Traditional 1 day 10000 65536 24 h 1 hexadecimal hour 1000 4096 1 h 30 min 1 hexadecimal maxime 100 256 5 min 37 5 s 1 hexadecimal minute 10 16 21 09375 s 1 hexadecimal second 1 1 1 318359375 s 1 second 0 C22E4 0 75851 1 sSee also editBinary time Decimal time Metric timeReferences edit Nystrom John William 1862 Project of a New System of Arithmetic Weight Measure and Coins Proposed to be Called the Tonal System with Sixteen to the Base Lippincott p 105 Intuitor Hex Headquarters The Hex Clock www intuitor com Retrieved 2020 04 02 Further reading editWhitaker Ronald O October 1972 Digital Time Letters Physics Today Vol 25 no 11 Indianapolis Indiana USA American Institute of Physics p 79 doi 10 1063 1 3071119 Archived from the original on 2022 12 24 Retrieved 2022 12 24 External links editHexadecimal Time Applet digital and analog True Binary Time local time as a binary number Analog hexadecimal clock Florence Mean Time Retrieved from https en wikipedia org w index php title Hexadecimal time amp oldid 1143380881, wikipedia, wiki, book, books, library,

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