Hello George Simms,


" 1 st Norbert Hetterich =FLOOR(DAY(MINUTE(J/38)/2+56)&"/5/"&J,7)-34 "
I try on excel that didn't give solusion, I browse in other web I find this formula
= FLOOR("5/"&DAY(MINUTE(A1/38)/2+56)&"/"&A1,7)-34
it work