Dude… NoYou lost 4lbs of water and some poop probably.Then you ate and drank 1.6lbs of food and water.
You maybe lost a few ounces of fat. Keep doing it every few days and you’ll eventually lose pounds of fat. Eventually stones of fat. It’s a marathon, not a sprint.
No. It takes longer than 24 hours to burn fat, or at least several days of that consistency. Dry fasting can fluctuate your weight all over the place, which is why weighing yourself can be so misleading for people