翻译句子：什么时候开晚会还没有被定下来

The time of the party hasn't been decided yet

When the evening meeting will be started hasn't been confirmed yet.

Party time hasn't been decided yet.

什么时候开晚会还没有被定下来
party time hasn't been decided .

it has not been fixed when the party starts.

Have not been fixed when to hold the party yet