1. What is Date Difference?

Date difference calculation determines the time elapsed between two dates. It's commonly used in project planning, age calculation, financial calculations, and various scheduling applications.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( Date1 \) — The earlier date
• \( Date2 \) — The later date

Explanation: The calculator computes the exact number of days between two dates and also provides a breakdown in years, months, and days.

3. Importance of Date Calculation

Details: Accurate date difference calculation is essential for project timelines, financial interest calculations, medical treatment durations, and many other time-sensitive applications.

4. Using the Calculator

Tips: Simply enter two valid dates in the format YYYY-MM-DD. The calculator will automatically compute the difference between them.

5. Frequently Asked Questions (FAQ)

Q1: Does the calculator include both start and end dates?
A: No, it calculates the difference between dates (exclusive of the end date).

Q2: How are leap years handled?
A: The calculator automatically accounts for leap years in its calculations.

Q3: What's the maximum date range supported?
A: The calculator can handle any valid date range supported by PHP's DateTime class.

Q4: Why are there two different difference calculations?
A: The total days gives a precise count, while the detailed breakdown provides a more human-readable format.

Q5: Can I calculate time differences as well?
A: This version calculates full days only. For time calculations, a more advanced calculator would be needed.