1. What Is This Calculator For?

This calculator helps you determine a future date by adding a specific number of days to a starting date. The default calculation shows the date 90 days from April 20, 2024.

2. How Does The Calculation Work?

The calculator uses PHP's DateTime functions to accurately add days to a given date, automatically adjusting for month lengths and leap years.

Where:

• Start Date — Any valid date in YYYY-MM-DD format
• Number of Days — Positive integer value (0 or greater)

3. Practical Applications

Details: Useful for calculating due dates, project deadlines, medication schedules, or any scenario where you need to know a future date.

4. Using The Calculator

Tips: Enter any valid start date and the number of days to add. The calculator will handle all date arithmetic including month transitions and leap years.

5. Frequently Asked Questions (FAQ)

Q1: Does this account for leap years?
A: Yes, the calculation automatically adjusts for leap years when adding days.

Q2: What's the maximum number of days I can add?
A: There's no practical limit - you can add thousands or even millions of days.

Q3: Can I subtract days?
A: While the interface only allows adding days, you could enter a negative number in the form submission.

Q4: What date format is used?
A: The calculator uses the standard YYYY-MM-DD format for both input and output.

Q5: How accurate is this calculation?
A: It's completely accurate, using PHP's built-in date functions which handle all calendar complexities.