A6 contains this formula:
=SUMPRODUCT(--(A1:A58/24),A1:A5-8/24)*(SUM(A1:A5)*24<40)

This formula is doing what I want however if I enter a word into one of the
data cells instead of a time, the cell with the formula says ######. Is there
a way to have the formula only recognize a time entry and ignore a word entry
and still do the calculations I need.
--
Lee D.