XXIV is the Roman numeral representation for the number 24. In the Roman numeral system, "X" stands for 10, "V" represents 5, and "I" signifies 1. Therefore, XXIV is calculated as 10 + 10 + 5 - 1, which equals 24. The number 24 has various cultural and practical significances. For example, there are 24 hours in a day, which is a standard way to measure time. Additionally, in sports, a basketball team typically has 24 seconds to attempt a shot, emphasizing the importance of quick decision-making in the game.