Excel 2007 : Count no. of weekly holidays & government holiday

[dailyglobal]

Hello every one,
I am very new at this forum and just wondering if I could get a solution. The details of my issue is:

I have start date, finish date and list of holidays. I want to use formula which will show me total no. of holidays within start and finish date for each row.

for example:
Start date
10-Jul

Finish date
24-Jul

Holiday lists
7-Jul
20-jul
23-Jul
25-Jul

no. of holiday
Formula????

How do I formulate?

Looking for you help. Thanks in advance.

Rokon