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The Khipu Database Project

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Chachapoyas Khipu: Calendar and related khipu

The largest khipu found in the Laguna de los Condores has 762 pendant strings. The arrangement of pendants is complex, including many loop pendants, top cords, and top loop pendants. One interpretation of this khipu is as a calendrical device. This is based on an arrangement of 730 of the strings into twenty-four groups made up of approximately 30 pendants each. This leads us to believe that the khipu is divided into two year-long sections, each section containing 12 months (2x365 = 730). With the help of the Khipu Database, it was also found that two other khipu from Chachapoyas match a significant four-month section of the large Calendar khipu. This relation between three khipu is an exciting development in the investigation of these devices.

Note: The khipu are classified here by investigator number. We do not believe the identification of a particular artifact with a personal investigator number to be optimal, but the museum numbers for these khipu are still in flux. Therefore for the time being we believe khipu will be easier to find by investigator number. When the museum numbers become stable the khipu will be reclassified.

UR6: Calendar Khipu


This image of the khipu in radial arrangement shows the overall structure. The details are not clearly visible in this photo. Museum number CMA.625/LC1-254.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR6: Calendar Khipu


Overall view of the khipu with primary cord linear. The top cords and top loop pendants are clearly visible.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR6: Calendar Khipu


Detail of pendants near one end of the khipu.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR6: Calendar Khipu

Detail showing top pendant with subsidiaries.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR6: Calendar Khipu

Detail of a top loop pendant.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR9

The sequence of cord totals on this khipu corresponds closely to a large section of the Calendar Khipu. CMA-850/LC1-479.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR9 detail

Closer view of the widely spaced pendants towards one end of UR9.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR9 detail

View of the closely spaced pendants of UR9.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR21

This khipu corresponds closely with UR9 and with a portion of the Calendar Khipu. INC-498.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR21 detail

Closer view of cords on UR21.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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UR21 detail


One end of UR21 includes a loop pendant; here is a close view of it.

Image courtesy of Centro Mallqui, Leymebamba, Peru. (Photo by Gary Urton)

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