| 时 | shi2 | when |
| 点 | dian3 | to hint |
| 小时 | xiao3 shi2 | hour |
| 论 | lun2 lun4 | view |
| 昼夜 | zhou4 ye4 | period of 24 hours |
| 时分 | shi2 fen1 | time |
| 凌晨 | ling2 chen2 | in the wee hours |
| 钟 | zhong1 | o'clock |
| 刻 | ke4 | to cut |
| 时针 | shi2 zhen1 | hour hand |
| 钟头 | zhong1 tou2 | hour |
| 学时 | xue2 shi2 | period |
| 工时 | gong1 shi2 | man-hour |