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Duodecimal or often called dozenal is a base 12 number system. |
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Duodecimal, sometimes called dozenal, is a base 12 number system. |
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Historically, the number 12 was used in many civilizations. It is believed that the observation of 12 appearences of the moon in a year is the reason why this number is used universally regardless of culture. Example of such usage include 12 months in a year, 12 hours on a clock, 12 traditional time divisions in a Chinese day. 12 zodiacs in horoscope, 12 animal signs in Chinese astrology. Being a versatile denominator in fraction may explain why we have 12 inches in a foot, 12 items in a dozen, 12 dozens in a gross etc. |
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Historically, the number 12 was used in many civilizations. It is believed that the observation of 12 appearences of the moon in a year is the reason why this number is used universally regardless of culture. Example of such usage include 12 months in a year, 12 hours on a clock, 12 traditional time divisions in a Chinese day, 12 signs of the zodiac in horoscope?, 12 animal signs in [Chinese astrology]? etc. Being a versatile denominator in fraction may explain why we have 12 inches in a foot, 12 ounces in a troy pound, 12 items in a dozen, 12 dozens in a gross etc. /Talk? |
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