Date and time calculators
Durations, age and working days, with leap years and month lengths handled.
- Age CalculatorEnter a date of birth to get the exact age in years, months and days, and the date of the next birthday.
- Date Difference CalculatorWorks out how much time lies between two dates: in days, weeks, months, years, hours and minutes.
- Working Days CalculatorCounts Monday-to-Friday working days between two dates. Add your own holidays as a list.