NewBie question .. how to calculate time

dim x1 as string
dim x2 as string

x1 = "01:32:28"
x2= "12:33:59"

how to calcualte them?

what do you want to know the difference? If so use the datediff function.

Thanks for your prompt reply, what I need is to summ ..

Thanks

Winanjaya

look up the function dateadd in help. that should do it.