A cat can survive 24 hours without food and water at the absolute most. Cats may look like they can survive more but NO THEY CAN NOT. Another Answer If you cannot feed your … cat for a day for whatever reason, get an automatic food feeder at the pet store.our body can go 3 minutes without air, 3 days without water, 3 months without food...u can go longer than 3 months but your body will start to corrupt and your system will no … t be able to digest anything. http://wiki.answers.com/How_long_can_a_humen_survive_without_food#ixzz16l7LvVHA.