Date Calculator
Find the exact difference between any two dates or calculate a future date by adding days, weeks, or months. Perfect for project planning, contract periods, and event countdowns.
Frequently Asked Questions
How does the date difference work?
It calculates the exact number of years, months, and days between two dates you select.
Can I add or subtract days?
Yes, switch to the Add/Subtract mode to calculate a future or past date from any starting date.
Does it account for leap years?
Yes, the calculator correctly handles leap years and varying month lengths.
Can I calculate business days only?
The calculator counts all calendar days. For business days, subtract weekends. Roughly multiply total days by 5/7 for an estimate.
Does it handle different calendar systems?
The calculator uses the Gregorian calendar, which is the international standard. It correctly handles all month lengths and leap years.