This date calculator is designed to add or subtract a specific number of days from a starting date.
Based on the image and the surrounding text, here’s how you would use the “Add or Subtract Days From a Date” feature:
How to Use the Date Calculator
To find a date in the past or future by adding or subtracting days, you would follow these three steps shown in the image:
- Select Date: Enter your starting date in the mm/dd/yyyy format (e.g., 10/12/2025).
- Operation: Choose your operation from the dropdown menu. The image currently shows “Add,” but you can select “Subtract” if you need to go backward in time.
- Number of Days: Enter the total number of days you want to add or subtract (e.g., 90).
- Finally, click the Calculate button to instantly see the resulting date.
Example: Calculating a Due Dat
If today’s date is October 13, 2025, and you need to know the date 90 days from now for a project deadline:
| Input Field | Your Entry |
| Select Date | 10/13/2025 |
| Operation | Add |
| Number of Days | 90 |
| Result | The date will be January 11, 2026 |
Other Calculator Uses
The accompanying text also highlights that the platform offers specialized calculators, including:
- Days Between Two Dates: Find the total duration between a start and end date (useful for legal deadlines).
- Pregnancy Due Date Calculator: Estimate a baby’s arrival date.
- Age Calculator: Determine your exact age in years, months, and days.
- Business Days Calculation: A feature to exclude weekends and holidays when calculating a time span.