2 sentences for 那天 (nà​tiān — the other day)

1. 我那天真的不太方便。

   wǒ nà​tiān zhēn​de bù tài fāng​biàn.

   That day doesn't really work for me.

   Source: OpenSubtitles

2. 我那天在书店看见他了。

   wǒ nà​tiān zài shū​diàn kàn​jiàn tā le.

   I saw him at the bookstore that day.

   Source: Dong Chinese Dictionary