1. What is the 90 Days Ago Calculator?

The 90 Days Ago Calculator helps you determine the date exactly 90 days prior to a given date. This is particularly useful for monthly planning, financial calculations, and tracking deadlines.

2. How Does the Calculator Work?

The calculator uses simple date arithmetic:

Where:

• Today — Current date or any specified date
• 90 days — Fixed period for monthly calculations

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

3. Importance of Date Calculation

Details: Calculating dates 90 days in the past is important for financial reporting, project management, legal deadlines, and personal planning.

4. Using the Calculator

Tips: Enter today's date or any reference date in YYYY-MM-DD format. The calculator will automatically compute the date 90 days prior.

5. Frequently Asked Questions (FAQ)

Q1: Why calculate 90 days specifically?
A: 90 days represents a common quarterly period used in business, finance, and legal contexts.

Q2: Does this account for leap years?
A: Yes, the calculation automatically adjusts for leap years and varying month lengths.

Q3: Can I use this for future dates?
A: While designed for past dates, you could enter a future date to see what date would be 90 days prior to that future date.

Q4: What's the maximum/minimum date range?
A: The calculator works with any valid date from 1970 to 2037 on most systems.

Q5: How precise is this calculation?
A: The calculation is precise to the day, accounting for all calendar variations.