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Hexadecimal time

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Hexadecimal time
[ temporary import ]
please note:
- the content below is remote from Wikipedia
- it has been imported raw for GetWiki
{{unsourced|date=March 2015}}File:Hexadecimal Clock by Nystrom.jpg|thumb|right|256px|Nystrom's "Tonal Watch, or Clock-dial". Note the use of his invented digits for hex values 9-F. Also note that midnight (hour 0) is at the bottom, rather than the top of the clockface.]](File:Florencetime.jpg|right|256px|thumb|A hexadecimal clock-face)Hexadecimal time is the representation of the time of day as a hexadecimal 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.{{citation needed|date=October 2015}}

The system of Rogers

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{| class"wikitable"

! 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{| class"wikitable"

! Hex!! hexsec base 16!! hexsec base 10!! Traditional
| 1 day
10000 65536| 24 h
| 1 hexadecimal hour
1000 4096| 1 h 30 min
style="background:white; color:gray"| 1 hexadecimal maxime
100 256| 5 min 37.5 sec
| 1 hexadecimal minute
10 16| 21.09375 sec
| 1 hexadecimal second
1 1| 1.318359375 sec
|1 second
| 0.C22E4| 0.75851| 1 sec

See also

References

{{reflist}}

External links

{{Time Topics}}

- content above as imported from Wikipedia
- "Hexadecimal time" does not exist on GetWiki (yet)
- time: 2:55pm EST - Sat, Feb 23 2019
[ this remote article is provided by Wikipedia ]
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