Yes, it’s a full 24 hours, but a library doesn’t use 24:00:00 to represent the last hour, it’s 23:59:59. Once it hits 24:00, it rolls over to 00:00:00.
Hence my initial error of answering 23.
It’s not valid, but I don’t edit out erronous answers because I believe all data should be preserved, no matter how dumb it makes one look.
You do realize with more donations they can AFFORD to hire more people, and to get the help they need? Money is the solution. Let’s not downplay the value of it.