Date & Time Calculators
Count days, work out ages and plan deadlines. All date calculators handle leap years and month lengths correctly and are not affected by daylight-saving changes.
Add or Subtract Days Calculator
Find the date a number of days, weeks, months or years from another.
Age Calculator
Exact age in years, months and days, plus your next birthday.
Date Difference Calculator
Time between two dates in years, months and days.
Days Between Dates Calculator
Count the days between two dates, with weekdays and weekends.
Time Duration Calculator
Hours and minutes between two times, including overnight shifts.
Working Days Calculator
Business days between dates, excluding weekends and holidays.