Date Calculator
Add or subtract days, weeks, months, or years from a date.
Calculator Inputs
Results
Enter a date and duration to calculate.
How to Use the Date Calculator
This tool lets you easily find a future or past date. Just select a start date, enter the amount of time you want to add or subtract, and click the corresponding button. It's perfect for scheduling, planning, or figuring out historical dates.
Frequently Asked Questions
How does the calculator handle month rollovers?
The calculator automatically handles month and year rollovers. For example, adding 20 days to January 20th will correctly result in February 9th.
Does this account for leap years?
Yes, the calculations correctly account for leap years when adding or subtracting days or years that cross over February 29th in a leap year.