shén​me​shí​hou

when

Senses

什么时候/ 什麼時候 shén​me​shí​hou when

Used to ask about the time an event occurs; at what time.

什么时候/ 什麼時候 shén​me​shí​hou whenever

At any time; regardless of when (used as an indefinite pronoun often followed by jiù or dōu dōu)

References

same_as 几时/幾時 什么时候/什麼時候