![no image](https://lh6.googleusercontent.com/-pUGrf2xbKoQ/T-7fPB_HRRI/AAAAAAAAGjA/VXXjCMl-_e8/s499/access-nourl.jpg)
The syntax for the DateDiff function is:
DateDiff ( interval, date1, date2, [firstdayofweek], [firstweekofyear])
interval is the interval of time to use to calculate the difference between date1 and date2. Below is a list of valid interval values.$100 should read as "one hundred exactly"