The lesson that introduces this vocabulary is Lesson 5 – Numbers, months and days.
| 一月 | yī yuè | January |
| 二月 | èr yuè | February |
| 三月 | sān yuè | March |
| 四月 | sì yuè | April |
| 五月 | wǔ yuè | May |
| 六月 | liù yuè | June |
| 七月 | qī yuè | July |
| 八月 | bā yuè | August |
| 九月 | jiǔ yuè | September |
| 十月 | shí yuè | October |
| 十一月 | shí yī yuè | November |
| 十二月 | shí èr yuè | December |