Date & Time
Days between dates, exact age, date arithmetic, business-day counts and hour-and-minute math — the small date calculations that come up constantly when you are planning visits, paperwork and deadlines across two calendars.
Date & Time
Days Between Two Dates
Find the exact number of days, weeks and total time between any two dates.
Add or Subtract Days
Find the date that is a given number of days before or after any date.
Age Calculator
Calculate exact age in years, months and days from a date of birth, plus total days, weeks and a countdown to the next birthday.
Days Until a Date
Count how many days are left until any date, with weeks, remaining days and the weekday it falls on.
Time Duration
Work out how long a shift, class or trip lasts between a start time and end time, including overnight shifts that pass midnight.
Hours & Minutes Calculator
Add or subtract two durations in hours and minutes, with a decimal-hours result for timesheets and payroll.
Business Days Calculator
Count business days between two dates or add business days to a date, with the Bangladesh Friday-Saturday weekend or the Western Saturday-Sunday weekend.