Time Range Calculator



Calculating time ranges can be a complex task, especially when dealing with various time intervals. A dedicated Time Range Calculator can simplify this process, providing accurate results efficiently. In this article, we’ll provide you with a functional Time Range Calculator implemented in HTML and JavaScript.

How to Use

Simply input the start time and end time in the respective fields and click the “Calculate” button. The calculator will employ precise formulas to determine the time range, presenting the result on the page.


The time range calculation involves subtracting the start time from the end time. The formula is as follows:

Time Range=End Time−Start Time


Let’s say you want to find the time range between 14:30 and 17:45. Inputting these values into the calculator will yield the result.


Q: Can I input times in 24-hour format?
A: Yes, the calculator supports both 12-hour and 24-hour time formats.

Q: How is the time range displayed?
A: The result is presented in hours and minutes (e.g., 3h 15m).

Q: Is it mandatory to fill in both start and end times?
A: Yes, both fields must be filled for accurate calculations.


The Time Range Calculator is a valuable tool for anyone dealing with time intervals. It simplifies the process of determining the duration between two time points, providing users with a quick and precise result.

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