not (...) until phrase
used for stating the point at which something finally happens, becomes possible, or becomes true
She went to Felix’s flat at midday and did not come out until late in the evening.
They didn’t see each other again until the autumn.
I cannot comment further until I have got all the information.
It was not until six o’clock that we got the first reports of trouble.
Thesaurus: at an unspecified time in the futuresynonym
Main entry: until
Useful english dictionary. 2012.