the critical time or period when an important decision must be made or when something must be accomplished.

महत्वपूर्ण निर्णय लेने का समय

English Usage: During crunchtime, we must finalize our project proposal.

Hindi Usage: क्रंचटाइम के दौरान, हमें हमारी परियोजना प्रस्ताव को अंतिम रूप देना होगा।