| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | calendar | Europe | Typically follows the Gregorian calendar for scheduling and planning events | 1 |
| 2 | calendar pad | Europe | Commonly used as a desk accessory for noting important dates and appointments | 1 |
| 3 | calendars | Europe | Used to track important dates and events, such as holidays and appointments | 1 |
| 4 | islamic astronomy | Western Europe | Islamic astronomy is often underrepresented in the history of science compared to its actual importance and impact. | 1 |
| 5 | solar calendar | Europe | Used as the primary calendar system | 1 |
| 6 | tear off calendar | Europe | Common office or household item, often used to keep track of dates and events. | 1 |
| 7 | tear off calendar | Europe | Commonly used as a desk or wall calendar for daily planning and organization. | 1 |