by the time
1 of 1conjunction/baɪ ðə taɪm/
1
used to indicate a point in time before which an action or event has occurred or will occur
- By the time she finishes her degree, she will have learned a lot.
- By the time they reached the theater, the movie had already started.
- By the time the concert ends, it will be midnight.
- He hopes to have traveled to at least 20 countries by the time he turns 30.