| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | earth hour | Western countries | Observed as a global environmental event, promoting energy conservation by turning off non-essential lights for one hour | 1 |
| 2 | earth hour | Western countries | Earth Hour is observed by turning off non-essential lights for one hour to raise awareness about climate change and energy conservation. | 1 |
| 3 | hour | Western countries | 60 minutes long, divided into 12 hours on a clock | 1 |
| 4 | hour | Western countries | Typically consists of 60 minutes, and is commonly divided into 12-hour periods (AM and PM). | 1 |
| 5 | hour | Western countries | Hour is typically divided into 60 minutes and 24 hours make a day. | 1 |
| 6 | hour | Western countries | 24 hours in a day, with midnight as the start of a new day | 1 |