1. What is Date Calculator 90 Days Ago?

The Date Calculator 90 Days Ago is a simple tool that calculates the date exactly 90 days before a given date. This is useful for various planning, scheduling, and tracking purposes.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• Current Date — The starting date for calculation
• 90 Days — The fixed period to subtract
• Target Date — The resulting date 90 days prior

Explanation: The calculator accurately accounts for varying month lengths and leap years when subtracting 90 days from any given date.

3. Importance of Date Calculation

Details: Calculating dates 90 days in the past is important for various applications including financial planning, project management, legal deadlines, and medical follow-up schedules.

4. Using the Calculator

Tips: Simply enter any valid date in the format YYYY-MM-DD or use the date picker. The calculator will instantly compute and display the date that was 90 days prior to your selected date.

5. Frequently Asked Questions (FAQ)

Q1: Does this calculator account for leap years?
A: Yes, the calculator automatically accounts for leap years and varying month lengths in its calculations.

Q2: Can I calculate dates more than 90 days ago?
A: This specific calculator is designed for exactly 90 days. For other time periods, you would need a different calculator.

Q3: What date format does the calculator use?
A: The calculator uses the standard ISO format (YYYY-MM-DD) but provides a convenient date picker for easy selection.

Q4: Can I use this for business days only?
A: No, this calculator counts calendar days (including weekends and holidays). For business days calculation, a different tool would be needed.

Q5: How accurate is the calculation?
A: The calculation is 100% accurate, properly handling all calendar variations including leap years and different month lengths.