Calculators & Finance Suite• General
Date Calculator
Add/subtract dates, calculate differences, and filter business days.
Select both dates to see the difference
What is this tool?
Calculate the exact duration between two dates or add/subtract days, weeks, months, and years from a specific date.
How to calculate dates
- Select your calculator mode: 'Difference' or 'Add/Subtract'.
- For difference, select a start date and an end date.
- For add/subtract, enter a start date and the time units to modify.
- View the exact calculation results instantly.
Key Features
- Calculate exact days, months, and years between dates
- Add or subtract complex time periods
- Accounts for leap years and varying month lengths
Privacy First
Runs completely locally in your browser.