In Microsoft Excel 2007, given a date span, I want to find our what fraction of that date span lies within each season, which is obviously another date span.
For example:
Given a span of 26 Nov 10—28 Feb 11 (95 days):
26 Nov—30 Nov is in Spring (or Autumn for you Northerners) (5 days)
1 Dec—28 Feb in Summer (or Winter) (90 days)
Thus, 5.3% is in Spring/Autumn and 94.7% is in Summer/Winter.
Any Excel formula to work this out? Preferably not macro-dependent, but not a deal-breaker.
I would be difficult to explain in post. I have uploaded the solution at http://www.2shared.com/file/WHU5v_h1/Book1.html Let me know if you have questions…