An hourglass may set it

• Celebrated person, perfectly special on the inside
• Farron and Henman face off over priest setting deadline
• Exam restriction
• Allowed period
• Deadline, e.g.
• Standardized-test feature
• Duration restriction
• 30 seconds, for Final Jeopardy
• Test-taker's concern

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of time limit English)