Date & Time Calculators
Ages, countdowns, days between dates and clock arithmetic.
- Age CalculatorCalculate exact age in years, months and days from a date of birth, plus total days lived.
- Age Difference CalculatorFind the exact age gap between two people in years, months and days.
- Birthday CalculatorFind the day of the week you were born, the countdown to your next birthday and your days lived.
- Date CalculatorAdd or subtract years, months, weeks and days from any date.
- Days Between Dates CalculatorCount the days, weeks and weekdays between any two dates.
- Days From Today CalculatorFind the date a given number of days from today, or before today, counting all days or weekdays only.
- Days Until CalculatorCount down the days until a holiday, birthday, wedding or any date you choose.
- Generation CalculatorFind out which generation you belong to from your birth year: Boomer, Gen X, Millennial, Gen Z or Alpha.
- Time CalculatorAdd or subtract hours, minutes and seconds, with the answer in decimal hours too.
- Hours CalculatorCalculate the hours and minutes between two times, minus breaks, with optional pay.