until what time

[Ryepower92]

Is this correct if I want to ask what time the party finished?

how long did the party last??

Thank you in advance

 

[5jj]

Is this correct if I want to ask what time the party finished?

[STRIKE]h[/STRIKE]How long did the party last??

You might get the response 'until midnight', but you might also get 'about four hours'.

If you want to know for certain the time the party finished, then ask 'What time did the party finish?'.