Calculating a Start or End Date

You can calculate a starting or ending date based on a given date and a specified number of days. For example, you might have a deadline 90 days after a certain action. Date Difference lets you calculate the date the deadline will fall on.

1. Click Tools > Date Difference.

2. To calculate a start date when you know the end date, click the arrow buttons to move forward or backward one month or year at a time in the End Date group box, then click a date.

   or

   To calculate an end date when you know the start date, use the arrow buttons to move forward or backward one month or one year at a time in the Start Date group box, then click a date.

3. Type a number in the Number of Days Different text box.

4. Click Calculate Start Date, then view the calculated start date in the Start Date text box and calendar.

   or

   Click Calculate End Date, then view the calculated end date in the End Date text box and calendar.