i would like to know something about my fish tank here?

[Jill Z]

i have a 55 gallon fresh water fish tank and i am getting a new tank bc ididnt want the length anymore but what i have to ask is this how long can the fish last with out a filter because i have to put my filter into the new tank for 24 hrs to get everything right , but will my fish in the 55 gallon be ok til the next day with no filter, i have done this b4 on little tanks but nothing this size , and i only do it over night bc i take hf the water from old tank and put it in the new tank , let me now thank you