Questions
How is age calculated in years, months and days?
Full years are counted from the date of birth first, then full months, then the days left over, the same way you count birthdays.
How many days are between two dates?
Choose Between dates and enter both dates. The end date is not counted by default; switch on Include the end date to count both the first and the last day.
What counts as a business day?
Monday to Friday. Public holidays are not taken into account, so subtract them if any fall in your range.
What if I was born on 29 February?
In years without 29 February the calculator uses 28 February as your birthday.