Chinese phrase
你什么时候有空？ nǐ shén me shí hòu yǒu kòng
Meaning
When do you have time?
When to use it
This asks when someone is free. It is a natural way to ask about a suitable time to talk, call, or meet, often in a polite everyday exchange.
Example dialogue
我有件事想跟你说，你什么时候有空？ wǒ yǒu jiàn shì xiǎng gēn nǐ shuō nǐ shén me shí hòu yǒu kòng
I have something I want to talk to you about. When do you have time?
今晚七点后有空，可以打电话。 jīn wǎn qī diǎn hòu yǒu kòng ké yǐ dǎ diàn huà
I'm available after 7 tonight. You can call me.