Find out instantly how many days are left until your exam, anniversary, or deadline. Pick a target date and get the D-day count along with the day of the week, the gap in weeks and days, and the number of business days. Switch between counting methods that include or exclude the starting day, and use the date-interval mode to measure the gap between any two dates. Save up to 10 of your most-watched D-days and check them in real time.