>>>Wow <g>. I didn't even think of that. I need to learn to find simple solutions myself and not to bother people with my silly questions.
>>>Thank you very much.
>>
>>Don't worry, there is no problem to ask if you don't know something.
>>
>>BTW, if you want to format the difference so that it also appears as a DateTime value, you might add it to a midnight DT value. The date part, of course, would be irrelevant.
>
>No, I need the result in seconds (actually in hours which is easy to convert).
>Thank you very much.

What's to convert?

cTime = TTOC({^2005/01/01 00:00}+nSeconds,2)

Take whatever portion of it you need with LEFT() or SUBSTR().