>I will know how to get the amount of days,hours,minutes,seconds between two dates.
>
>Ex. Between 11/25/1999 AND 12/31/1999
>

Just subtract the dates - the difference is the number of days. Without a time reference, you can't get better granularity, it'll always be x days, 0 hours, 0 minutes, 0 seconds.

You can store datetimes and subtract datetimes, yielding a value in seconds and convert from there.