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📅Date & Time Calculators
Work out ages, gaps between dates and future or past dates in seconds. Free and easy to use.
All date & time tools
Choose a calculator to get started.
Age Calculator
Find your exact age in years, months and days, plus the countdown to your next birthday.
Use calculator →Date Difference Calculator
Find the number of days, weeks, months and years between two dates.
Coming soonAdd or Subtract Days
Add or subtract days, weeks, months or years from any date.
Coming soonFree date and time calculators for everyday planning
Dates come up in forms, exams, projects, travel and legal deadlines. Counting days by hand is easy to get wrong, especially across months of different lengths and leap years. Our date and time calculators do the counting for you and use the real calendar.
Where to start
The Age Calculator gives your exact age in years, months and days, and shows how many days remain until your next birthday. More tools, such as a date difference calculator and an add or subtract days calculator, are coming soon.
Are these calculators free?
Yes. All calculators are free to use, with no sign-up and no limits.
Do they handle leap years?
Yes. The calculations use the actual calendar, so leap years and months of different lengths are counted correctly.
Are my dates saved?
No. Everything is calculated in your browser, and the dates you enter are never stored or sent anywhere.