Akan calendar

Calendar used by the Akan people, a Kwa group of West Africa The Akan people (a Kwa group of West Africa) appear to have used a traditional system of timekeeping based on a six-day week (known as nnanson "seven-days" via inclusive counting). The Gregorian seven-day week is known as nnawɔtwe (eight-days). The combination of these two system resulted in periods of 40 days, known as adaduanan (meaning "forty days"). Nnanson The composition or construction of the Adaduanan cycle appears to be based on an older six-day week. The six-day week is referred to as Nnanson (literally seven-days) and reflects the lack of zero in the numbering systems; the last day and the first day are both included when counting the days of a week. Nnawɔtwe The seven-day week is referred to as Nnawɔtwe (literally eight days). Like Nnanson the last day and the first day are both included when counting the days of a week. Adaduanan When the six-day week is counted side-by-side with the seven-day week it takes a total of 42 days to reach all combinations. The result of these combinations is shown below; the four dabɔne are in italics: The 42-day cycle shown here, as recorded in Kwahu, is the same recorded fo