The last 34 seconds of the Warriors-76ers game took about 15 minutes to complete.
At about 9:16 PM ET, with 33.3 seconds left on the clock the Warriors took a timeout. What followed was a train of timeouts, out-of-bound plays, intentional fouls, and coaches challenges. The game ended at about 9:31 PM ET.
(Actual time might differ due to broadcast delay but the elapsed time should be the same)