A duration beyond which something may not exceed(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "time limit" in a sentence
"Whenever fans from other cities entered the club, he was given a ten- to thirty-second time limit to relieve himself."
"He got into his undersuiting, swallowed a hot cup of coffee in the wardroom, made a hasty visit to the waste disposal room and was back up the access tube and into the storm cellar within the time limit he had given."
"Along with demands that would practically strip Serbia of its national sovereignty, it contained a forty-eight-hour time limit for Serbian acceptance."