1. What is Duration Calculation?

Duration calculation determines the number of days between two dates. It is commonly used for project planning, event scheduling, rental periods, and various time-based calculations.

2. How Does the Calculator Work?

The calculator uses the simple duration formula:

Where:

• \( End Date \) — The later date in the period
• \( Start Date \) — The earlier date in the period
• \( Duration \) — Number of days between dates

Explanation: The calculation counts all days between the start and end dates, including both dates in the total count.

3. Importance of Duration Calculation

Details: Accurate duration calculation is essential for project management, financial calculations, legal agreements, rental contracts, and any time-sensitive planning activities.

4. Using the Calculator

Tips: Select valid start and end dates using the date picker. The end date should be equal to or later than the start date for accurate results.

5. Frequently Asked Questions (FAQ)

Q1: Are both start and end dates included in the count?
A: Yes, the calculation includes both the start date and end date in the total day count.

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

Q3: Can I calculate duration across multiple years?
A: Yes, the calculator works for any date range, regardless of how many years it spans.

Q4: What if the end date is before the start date?
A: The calculator will show a negative number of days, indicating the time difference in reverse.

Q5: Is time of day considered in this calculation?
A: No, this calculation is based on full calendar days only, without considering specific times.