Chinese phrase
〜到什么时候？ 〜 dào shén me shí hòu
Meaning
How late is ___ open?
When to use it
Asks how late a place or service remains open. It is a natural way to ask for the closing time or the end time of an activity.
Example dialogue
图书馆开 到什么时候？ tú shū guǎn kāi dào shén me shí hòu
How late is the library open?
平时到晚上十点，考试周会延长到晚上十一点。 píng shí dào wǎn shàng shí diǎn kǎo shì zhōu huì yán cháng dào wǎn shàng shí yì diǎn
Normally, it is open until 10 p.m., but during exam week, it stays open until 11 p.m.