вот про 15ричную у народа использующего 15чную систему: http://www.kevius.com/kazohinia/chapter_3.html For time divisions they did not use hours and minutes; the day was divided into 50,625 parts (which is the fourth power of fifteen); one such part is somewhat longer than our second. And what we express by "6 hours 32 minutes 11 seconds in the afternoon", they simply denoted by saying "kalaz", which is the number of time units which have passed since midnight. Later I learned how easy it was to memorize telephone numbers this way.
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Date: 2015-03-04 01:34 pm (UTC)http://www.kevius.com/kazohinia/chapter_3.html
For time divisions they did not use hours and minutes; the day was divided into 50,625 parts (which is the fourth power of fifteen); one such part is somewhat longer than our second. And what we express by "6 hours 32 minutes 11 seconds in the afternoon", they simply denoted by saying "kalaz", which is the number of time units which have passed since midnight. Later I learned how easy it was to memorize telephone numbers this way.