Calculator category

Date & Time

Explore 11 free date & time calculators. Every tool works locally and requires no sign-up.

Find your exact age in years, months, days, hours, and minutes from your date of birth.

Calculate the exact number of days, weeks, months, and years between two dates.

Add up hours and minutes between two times, perfect for timesheets, payroll, and scheduling.

Add or subtract days, weeks, months, or years from any date.

Count the exact number of days between any two dates, with or without weekends.

Calculate business days between dates or add business days to a date, excluding holidays.

Count workdays in a range with custom workweeks and holiday exclusions.

Convert times between any two time zones, with DST handled automatically.

Discover your exact age, day-of-week born, zodiac sign, and days until your next birthday.

Count down the days, hours, minutes, and seconds to any date or event.

Calculate the number of weeks and months between two dates.