**Introduction:** The “Hour Calculator” simplifies the process of calculating the duration between two given times. It provides a quick and easy way to determine the time difference in hours.

**Formula:** The calculator uses the formula: Hours = (End Time – Start Time) / (1000 * 60 * 60). It converts the time difference into hours for accurate calculations.

**How to Use:**

- Enter the start time.
- Enter the end time.
- Click the “Calculate” button to obtain the duration in hours.

**Example:** For instance, if you input a start time of 9:00 AM and an end time of 5:30 PM, the calculator will display the result as “Hours: 8.50.”

**FAQs:**

**Q: Can I input times in different formats (12-hour vs. 24-hour)?**A: Yes, the calculator supports both 12-hour and 24-hour time formats.**Q: What happens if I enter the end time as earlier than the start time?**A: The calculator will still provide a result, but the hours will be displayed as negative.**Q: Is there a limit to the number of decimal places in the result?**A: The calculator displays hours with two decimal places for precision.**Q: Can I calculate hours spanning across multiple days?**A: Yes, the calculator can handle calculations that span across different days.**Q: Does the calculator consider daylight saving time changes?**A: No, the calculator assumes a constant time difference and does not account for daylight saving time.

**Conclusion:** The “Hour Calculator” tool is a valuable resource for anyone in need of accurate hour calculations. Whether for work, study, or personal use, this tool provides a straightforward solution for determining time durations.