Time Difference Calculator
Calculates time between start and end time and handles after midnight.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
Calculates the elapsed time in a 24-hour clock without a calendar or summer time.
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Calculation·conversion criteria
Calculate the elapsed time between start and end time.
Input example
23:00 to the next day 01:30 equals 2 hours 30 minutes
From 23:30 to 01:15, selecting the next day gives 1 hour 45 minutes. Selecting the same day ends earlier, so it prompts you to adjust the input.
How to use
- Use the entered example value or change the start time, end time, or expiration date items.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
If start and end are the same, is it 0 hours or 24 hours?
Selecting the same day results in 0 hours; selecting the next day results in 24 hours. It is based on a fixed 24-hour clock that does not calculate dates and daylight saving time.
Calculation criteria and reference materials
The calculation formula and scope of this tool are disclosed in the above description. Examples can be checked by substituting input values into the formula or following the specified string and calendar handling rules.
Verification of calculation criteria: · Calculation·verification principles · Report errors