1. What Is This Calculator?

This calculator helps you determine the date that is exactly 90 days from any given date. It's useful for planning, deadlines, or any situation where you need to know a date three months in the future.

2. How Does It Work?

The calculator uses simple date arithmetic:

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

3. Practical Applications

Details: Useful for medication schedules, project deadlines, visa expiration dates, trial periods, or any 90-day planning requirement.

4. Using The Calculator

Tips: Enter any valid date (defaults to today's date). The calculator 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: Is 90 days the same as 3 months?
A: Not exactly. Most months have 30 or 31 days, so 90 days is roughly 3 months but may differ by 1-3 days depending on the months involved.

Q3: Can I calculate dates more than 90 days?
A: This calculator specifically calculates 90 days. For other time periods, you would need a different calculator.

Q4: What date format should I use?
A: The calculator uses the standard YYYY-MM-DD format, but will accept any valid date format recognized by your browser.

Q5: Can I use this for business days only?
A: No, this calculates calendar days. For business days (excluding weekends and holidays), a different calculation would be needed.