Count number of empty cells since last non-empty cell

I've added an exemplary work sheet to my first post.

Originally Posted by FDibbins

2nd, do you have to use letters, could you use a number (like 1?)

Numbers would work fine too.

Originally Posted by FDibbins

3rd, do you only enter the date on that day, or are they copied down past "today"? (cant see the pic)

Not sure if I understand you correctly, hope the Excel file clarifies my question. The whole spreadsheet is changing dynamically in so far as today I'm interested in the empty rows until today's date, tomorrow I'll be interested in the empty rows until tomorrow's date etc.