Duration calculation
results
From and including:
Tuesday, January 1,
2008
To, but
not including :
Tuesday, September
30, 2008
It is 273 days from the
start date to the end date, but not including the end date
Or 8 months, 29
days
excluding the end date
273 = 39 X
7
http://biblewheel.com/GR/GR_273.asp