predetermined

US /ˌpriː.dɪˈtɝː.mɪnd/
UK /ˌpriː.dɪˈtɝː.mɪnd/
1.

ที่กำหนดไว้ล่วงหน้า

decided or arranged at an earlier time:

:
At a predetermined time, we'll all shout "Happy birthday, David!"