Cutoff and Zero hour

Cutoff noun - The stopping of a process or activity.

Zero hour and cutoff are semantically related. in due date topic. In some cases you can use "Zero hour" instead a noun "Cutoff".

Zero hour noun - A time or state of affairs requiring prompt or decisive action.

Cutoff and zero hour are semantically related. Sometimes you can use "Cutoff" instead a noun phrase "Zero hour".