if something was before your time, it happened before you were born or before you were involved with a person or thing.
'Do you remember the Watergate scandal?' 'No, that was before my time.'
(redirected from be before time)
be before (one's) time
To predate one's tenure or birth. A: "Have you ever seen this show?" B: "No, sorry, it's before my time."I don't know how that project was organized—it was before my time at the company.
be before somebody’s ˈtime
be before the period that a person can remember or was involved in: The Beatles were a bit before my time.There used to be fields behind this house, but that was before your time (= before you started living here).