be before somebody's 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.
See also: before, time
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

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).
See also: before, time
Farlex Partner Idioms Dictionary © Farlex 2017
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