Shoutbox

ok, im making a program, and its going to count how many minutes are between 2 times, the times are from the same day btw, and i don't know how to do it.

i know i need to use datediff



[do not need to read to answer question]
Anyway, this program i'm making is for my coursework for ict, i have to choose a company and show ways they can improve by using computers.
so i've picked my local skatepark, who, when you enter it write your name down on paper, and put it in a shelf/box with a time on the front (I.E i got there at 4PM and ask for 2 hours, so they put my name in the 6PM box, and then at 6PM they call my name out)
well, i'm making a program that does it all on a pc, and gives notification when it's time for them to leave.
i'm trying to add a feature so they can see how many Hours and minutes they have left, but i can't figure it out
[/do not need to read to answer question]

Anybody?

Edit : I have

code:

---

Label2(3) = DateDiff("h", Time, strLeave)

---

but it's returning 1 hour even though it should be 1 hour 30 mins