Chinese phrase
你什么时候庆祝〜 nǐ shén me shí hòu qìng zhù 〜
Meaning
When do you celebrate ___?
When to use it
This asks about the time of a celebration. It is a natural, polite question for birthdays, anniversaries, and other special days.
Example dialogue
你什么时候庆祝生日？ nǐ shén me shí hòu qìng zhù shēng rì
When do you celebrate your birthday?
我们每年七月十号庆祝。 wǒ men měi nián qī yuè shí hào qìng zhù
We celebrate every year on July 10.