Dates and time
Age CalculatorCalculate your exact age in years, months and days.
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Calculators forDates and time
Calculate ages, differences between dates, business days, and time periods without counting manually.
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Age Calculator
Calculate your exact age in years, months and days.
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Difference between dates
Calculate the days, weeks, and hours between two dates.
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Add days to a date
Add days to or subtract days from a specific date.
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Time Calculator
Add and subtract hours, minutes and seconds.
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All calculators ofDates and time
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Dates and time
Difference between datesCalculate the days, weeks, and hours between two dates.
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Add days to a dateAdd days to or subtract days from a specific date.
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Time CalculatorAdd and subtract hours, minutes and seconds.
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Working daysCount Monday through Friday between two dates.
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Next birthdayCalculate how many days are left until your birthday.
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Time workedCalculate hours between clock-in and clock-out, subtracting breaks.
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Day of the yearDiscover a date position within the year.
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Weeks between datesCalculate full weeks and remaining days.
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Time converterConvert between seconds, minutes, hours, days, and weeks.
Open calculator →When it can help
Use these calculators for common tasks
1
Calculate exact age or time between two dates.
2
Count working days, weeks, months or full periods.
3
Manage deadlines, calendars, and work schedules.
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Frequently asked questions
About the calculators fromDates and time
Which calculators does Dates and time include?
Ages, date differences, business days, time worked, and calendars. You will currently find 10 tools in this category.
Are the calculators of Dates and time free?
Yes. You can use the calculators available online without installing programs.
Do I need to create an account?
No. An account is optional. Signing in lets you save favorite tools and view your history.
Can I use these calculators on my phone?
Yes. The pages are designed to work on both phones and tablets and on computers.