3 sentences

1. 他在十一月九日出生。

   tā zài shí​yī yuè jiǔ rì chū​shēng.

   He was born on 9th November.

   Source: CCMatrix

2. 谢谢你十二月九日的信。

   xiè​xie nǐ shí'èr​yuè jiǔ rì de xìn.

   Thank you for your letter of 9th December.

   Source: CCMatrix

3. 一眨眼过去，现在早已是六月九日了。

   yī zhǎ​yǎn guò​qù, xiàn​zài zǎo​yǐ shì liù yuè jiǔ rì le.

   In a blink of an eye, it's already June 9th.

   Source: CCMatrix