| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | astronomical calendar | Incan civilization | Included the use of solstices for agricultural planning and ceremonial events | 1 |
| 2 | astronomical calendars | Inca civilization | Aligned with the construction of temples, agricultural planning, and religious festivities | 1 |
| 3 | calendar | Inca civilization | Based on astronomy, with the sun, moon, and stars playing significant roles | 1 |