1. What Is This Calculator For?

This calculator helps you determine the date that is exactly 90 days from today or any specified date. This is useful for planning purposes, tracking deadlines, or calculating future events.

2. How Does The Calculation Work?

The calculator uses a simple date addition formula:

The calculation accounts for varying month lengths and leap years to ensure accurate results.

3. Practical Applications

Details: Calculating 90 days ahead is commonly used in business for payment terms, in legal contexts for notice periods, and in personal planning for events or goals.

4. Using The Calculator

Tips: Enter any valid date in YYYY-MM-DD format (or use today's default date) and click Calculate. The result will show the date exactly 90 days later.

5. Frequently Asked Questions (FAQ)

Q1: Does this account for leap years?
A: Yes, the calculation automatically adjusts for leap years and varying month lengths.

Q2: What if I need to calculate business days only?
A: This calculator counts calendar days. For business days (excluding weekends/holidays), a different calculation is needed.

Q3: Can I calculate dates more than 90 days?
A: This calculator is specifically for 90 days, but you could use it multiple times for longer periods.

Q4: How accurate is this calculation?
A: The calculation is 100% accurate for standard Gregorian calendar dates.

Q5: What's the maximum date range this can handle?
A: The calculator can handle any date within the range supported by PHP's date functions (typically 1970-2038 on 32-bit systems).