1. What is the Date Calculator?

This calculator determines the date that is exactly 90 days from today or any specified date. It's useful for planning, deadlines, and various time-sensitive calculations.

2. How Does the Calculator Work?

The calculator uses a simple date addition formula:

Where:

• Today — The starting date (defaults to current date)
• 90 — The number of days to add

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

3. Practical Applications

Details: Useful for project planning, medication schedules, legal deadlines, financial planning, and any scenario requiring precise date calculation.

4. Using the Calculator

Tips: Enter any valid date in YYYY-MM-DD format or use today's date by default. The calculator will display the date exactly 90 days after the input date.

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: Can I calculate dates other than 90 days?
A: This calculator specifically calculates 90 days. For other time periods, a different calculator would be needed.

Q3: What date format should I use?
A: The calculator uses the standard YYYY-MM-DD format for both input and output.

Q4: Does this include weekends and holidays?
A: The calculation includes all days (weekdays and weekends). For business days calculations, a different tool would be needed.

Q5: Can I use this for past dates?
A: Yes, the calculator works for any valid date, whether in the past, present, or future.