| zhòu | daytime |
| 昼 | daytime |
| 昼伏夜出 | nocturnal to hide by day and come out at night |
| 昼出动物 | diurnal animal |
| 昼夜 | day and night period of 24 hours continuously, without stop |
| 昼夜平分点 | the equinox |
| 昼夜服务 | round-the-clock service |
| 昼夜节律 | diurnal rhythm; day night rhythm; around rhythm; circadian rhythms; daily rhthm; circadian rhythm; diel rhythm |
| 昼夜节律的 | circadian |
| 昼夜迁移 | diurnal migration |
| 昼盲 | photophobia; day blindness; hemeralopia; hemerotyphlosis |
| 昼盲症 | [Medicine] hemeralopia; day blindness |
| 昼短夜长 | the winter days are short and the nights long (idiom) |