allotted time; time limit
Refers to the amount of time given to a person for a task, speech, game, or examination.
各チームの持ち時間は30分です。
Each team has 30 minutes of allotted time.
Since my time was limited, I explained quickly.
teaching load (in hours)
Used in educational contexts to refer to the number of teaching hours assigned to an instructor.
今学期の持ち時間は週に10コマです。
My teaching load this semester is 10 class hours per week.