This article provides a 20-minute high-intensity interval training (HIIT) cardio workout that is perfect for burning fat. The workout involves five different exercises that are done in four-minute intervals. Each exercise is performed for 40 seconds followed by 20 seconds of rest. The exercises include jumping jacks, burpees, mountain climbers, high knees, and skaters. It is recommended to repeat this circuit four times for a total of 20 minutes. This workout is a quick and effective way to burn fat and improve cardiovascular fitness.