page_title: Hexadecimal time
hierarchical_section_title: Hexadecimal time
caption_attribution_description: English: Hexadecimal Clock, published in 1862 by John W. Nystrom as a part of his "tonal system" proposal - the attempt to replace the decimal by the hexadecimal system Deutsch: Hexadezimaluhr, veröffentlicht von John W. Nystrom als Teil seines "tonal system"-Vorschlags, dem Versuch, das dezimale durch das hexadezimale Zahlensystem zu ersetzen
context_page_description: 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 hexadecimal hours, each hour into 100₁₆ hexadecimal minutes, and each minute into 10₁₆ hexadecimal seconds.
context_section_description: 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.
caption: Nystrom's "Tonal Watch, or Clock-dial".  Note the use of his invented digits for hex values 9-F.  Also midnight (hour 0) is at the bottom, rather than the top of the clockface.
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