Count the number of days between dates or how long something lasts.
Calculate a date by adding, subtract days, weeks, months & years.

Calculate your age or someone else's in years, months, days, weeks, hours minutes and seconds.

Find the number of working days between dates in days, weeks, months. Also shows the duration by working day of the week - i.e how many Mondays, Tuesday etc.

Add or subtract working days or weeks to a date to give end date and working day count.

Select days worked.

Enter dates from calendar, date picker or as text.

Find the day in between by include or excluding start and end dates.