Date & Time

Find your exact age in years, months and days, plus totals and your next birthday.

Count the days, weeks, months and business days between two dates.

Count the days, weeks and business days until a target date.

Add or subtract years, months, weeks and days from any date.

Calculate the hours and minutes between a start and end time, minus breaks.

Add or subtract working days (Mon–Fri) from a date.

Find which day of the year a date is, and how many days remain.

Check whether a year is a leap year and find the nearest leap years.

Find the ISO-8601 week number for any date.