Chinese phrase
哪天出发？ nǎ tiān chū fā
Meaning
What day are we leaving?
When to use it
This asks which day someone plans to leave. It is a simple, neutral way to ask about travel plans or a departure date.
Example dialogue
机票都订好了，哪天出发？ jī piào dōu dìng hǎo le nǎ tiān chū fā
The plane tickets are all booked. What day are we leaving?
我们下周六出发，早上八点在市中心集合。 wǒ men xià zhōu liù chū fā zǎo shàng bā diǎn zài shì zhōng xīn jí hé
We're leaving next Saturday. Let's meet in the city center at 8 in the morning.