If something happens at the ~ time, it happens at the time that was decided in advance. (FORMAL)
ADJ: ADJ n
If something happens at the ~ time, it happens at the time that was decided in advance. (FORMAL)
ADJ: ADJ n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012