Time & Date Calculators
Calculate ages, dates, durations, and countdowns with free, instant time & date calculators — from birthdays to business days.
Most Popular Time & Date Tools
Age Calculator
The most searched time tool — find your exact age in years, months, and days.
Calculate Now →Days Between Dates
Find the exact number of days, weeks, and months between two dates.
Calculate Now →Countdown Calculator
Live countdown to any future date and time, down to the second.
Calculate Now →How It Works
Choose a Calculator
Pick the time or date tool that matches what you want to find out.
Enter Your Details
Fill in dates, times, or durations — whatever the calculator needs.
Get Instant Results
See your results immediately, with clear breakdowns and next steps.
All Time & Date Calculators
Age Calculator
Find your exact age in years, months, and days.
Calculate Now →Date Calculator
Add or subtract days, weeks, months, or years from any date.
Calculate Now →Time Calculator
Add/subtract hours and minutes, or find duration between times.
Calculate Now →Days Between Dates
Find the exact number of days, weeks, and months between two dates.
Calculate Now →Business Days Calculator
Count working days between dates, excluding weekends.
Calculate Now →Countdown Calculator
Live countdown to any future date and time.
Calculate Now →Birthday Calculator
See your zodiac sign, birth weekday, and next birthday countdown.
Calculate Now →Week Number Calculator
Find the ISO week number for any date.
Calculate Now →Why Use Time & Date Calculators?
Working out exact ages, deadlines, working days, or countdowns by hand is easy to get wrong — calendars have uneven months, leap years, and weekends to account for. Our free time & date calculators handle all of that automatically, giving you instant, accurate results whether you're planning a project, tracking a birthday, or counting down to an important event.