Pendant

The Inca calendar, tailored to the Cuzco Valley environment and culture, served as the basis for governing the Inca Empire. It featured 12 synodic months, calculated from one new moon to the next.

The Quipu, or khipu, was used by the Incas and Andean cultures to record and convey information. This ingenious device, without a written language, utilized colors, strings, and knots at different heights to record various data, including dates, statistics, accounts, and even abstract folk stories and poetry.