| 时期 | shí qī | period; phase; Classifiers: 个 | |
| 期间 | qī jiān | period of time; time; time period; period; Classifiers: 个 | |
| 长期 | cháng qī | long term; long time; long range (of a forecast) | |
| 日期 | rì qī | date; Classifiers: 个 | |
| 同期 | tóng qī | the corresponding time period (in a different year etc); concurrent; synchronous |
| 1 | Today is Sunday. | |
| 2 | Today is Friday. | |
| 3 | What day is it today? | |
| 4 | The weather was sunny on Sunday. | |
| 5 | I am going on a trip on Friday. |
