Date Calculator

Easily add or subtract days, weeks, months, or years from a specific date.

Home Date Calculator
Easily add or subtract days, weeks, months, or years from a specific date. Our free Date Calculator is perfect for planning future events, calculating deadlines, or finding a date in the past.

Quick Actions

Calculator Mode

Advanced Options

Selected

Select the starting date for your calculation —

Max:

Calculate multiple intervals (e.g., next 5 months)

Error

Enter your birth date to calculate your exact age

Your Age

, ,
Next Birthday
In
On
Total Days
Total Weeks
Total Months
Total Hours
Total Minutes
Born On

Fun Facts

Your heart has beaten approximately times!
You've slept approximately days
You've celebrated birthdays!
Earth has orbited the sun times!
Date Format

Result Date

Recurring Dates

Days
Weeks
Months
Years

Date Details

Day of Week
Day of Year
Week of Year
Quarter

Business Info

Business Days (Excluding Weekends)
days
Leap Year
Business Days (Excl. Holidays)
days

Excluded Public Holidays ( holidays)

Recent Calculations

Share Calculation

Share this calculation with others. Anyone with the link can view and recalculate with the same parameters.

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  1. 1 Enter Start Date: Input the initial date from which you want to calculate.
  2. 2 Choose Operation: Select whether you want to "Add" or "Subtract" time.
  3. 3 Enter Time Value: Input the quantity (e.g., 30) and the unit (e.g., Days, Weeks, Months, Years). Click "Calculate Result" for the final date. Calculate a future date now!

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