1. What is a Days Calculator?

Definition: This calculator computes the number of days between two dates.

Purpose: It helps determine the duration between two dates for planning, scheduling, or tracking purposes.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Days — Number of days between the dates
• Date2 — The later date (end date)
• Date1 — The earlier date (start date)

Explanation: The calculator subtracts the earlier date from the later date to determine the exact number of days between them.

3. Importance of Days Calculation

Details: Accurate day counting is essential for project planning, contract terms, billing cycles, vacation planning, and many other time-sensitive activities.

4. Using the Calculator

Tips: Simply enter the two dates (earlier date as Date1 and later date as Date2) and click Calculate.

5. Frequently Asked Questions (FAQ)

Q1: Does this include the start and end dates?
A: The calculation returns the number of days between the dates, not including both start and end dates.

Q2: How are leap years handled?
A: The calculation automatically accounts for leap years in the date range.

Q3: What's the maximum date range?
A: The calculator can handle any valid date range supported by PHP's DateTime class.

Q4: Can I calculate days between BC dates?
A: No, this calculator only works with dates in the common era (AD).

Q5: Does time of day affect the calculation?
A: No, the calculation is based on calendar days regardless of time.