6 sentences

1. 我们周三下午没课。

   wǒ​men Zhōu​sān xià​wǔ méi kè.

   We don't have class on Wednesday afternoons.

   Source: Tatoeba

2. 我总是把周二和周三弄混。

   wǒ zǒng​shì bǎ Zhōu'èr hé Zhōu​sān nòng​hún.

   I always get Tuesdays and Wednesdays mixed up.

   Source: OpenSubtitles

3. 下周三你有空吗？

   xià Zhōu​sān nǐ yǒu​kòng ma?

   Are you free next Wednesday?

   Source: Dong Chinese Dictionary

4. 我周三要结婚了。

   wǒ Zhōu​sān yào jié​hūn le.

   I'm getting married on Wednesday.

   Source: OpenSubtitles

5. 今天是周三。

   jīn​tiān shì Zhōu​sān.

   Today is Wednesday.

   Source: OpenSubtitles

6. 物业在电梯门口启事，提醒业主下周三全楼会停水检修。

   wù​yè zài diàn​tī mén​kǒu qǐ​shì, tí​xǐng yè​zhǔ xià Zhōu​sān quán lóu huì tíng shuǐ jiǎn​xiū.

   The property management posted a notice by the elevator, reminding residents that the water would be shut off for maintenance throughout the building next Wednesday.

   Source: Dong Chinese Dictionary