You can configure the Calendar to show the difference between two time zones and to calculate start and end dates based on a specified number of days.
Use Time Zone Difference to see the time zone in one locale based on the time zone in another. For example, if you are in New York, you can use Time Zone Difference to see the time in London.
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.
To calculate a start or end date:
Click Tools > Date Difference.
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, and 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, and then click a date.
Type a number in the Number of days different text box.
Click Calculate Start Date, and then view the calculated start date in the Start Date text box and calendar.
or
Click Calculate End Date, and then view the calculated end date in the End Date text box and calendar.