Hi All , I am new to this forum and seeking your help on a problem,
I need to calculate the demand intervals for a forecasting sheet , so I have multiple demands and I need to calculate the period between the demands

Demands Intervals
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct
Demands 0 1 0 11 0 0 0 0 2 0 6 3 0 2 0 2 0 0 0 0 5 0