Date & time calculators

Count ages, days and hours precisely. Leap years, month lengths and overnight shifts are handled for you.

All tools in this category

• Age CalculatorCalculate your exact age in years, months and days from your date of birth, plus total weeks and days and the countdown to your next birthday.
• Days Between DatesCount the days between two dates, in days, weeks, and years, months and days. Choose whether to include the end date; free and instant in your browser.
• Hours CalculatorCalculate the hours and minutes between two times, subtract a break, and get decimal hours for timesheets. Works for night shifts past midnight too.