Using a small Data Set of 5
10/17/08 | 10/17/08 | 10/17/08 | 10/17/08 | 10/17/08
Your formula results = 1, my formula results = 0

10/17/08 | 10/17/08 | 10/18/08 | 10/18/08 | 10/18/08
Your formula results = 2, my formula results = 1

10/17/08 | 10/17/08 | 10/18/08 | 10/18/08 | 10/17/08
Your formula results = 2, my formula results = 2

10/17/08 | 10/18/08 | 10/19/08 | 10/18/08 | 10/17/08
Your formula results = 3, my formula results = 4
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** John C **



"Mike H" wrote:

Try,

=SUMPRODUCT((A1:A100<"")*(ISNUMBER(A1:A100)/(COUNTIF(A1:A100,A1:A100&""))))

Mike

"NM" wrote:

Hi,

I want to record/count the number of times a date changes in any cell in a
column?

I will appreciate all your help.Please let me know.

Thanks!
NM