Thanks SkipVought for replying.
I managed to get the time format for both formulas (eg: 230000 the output for both is 11:00:00PM)
time(val(left(CLOCK_INB,2)),val(mid(CLOCK_INB,3,2)),val(right(CLOCK_INB,2)))
time(val(left(CLOCK_OutB,2)),val(mid(CLOCK_OutB,3,2)),val(right(CLOCK_OutB,2)))
so now...