TopToolAITime Duration Calculator
Calculate the duration between a start time and end time in hours and minutes — handles overnight ranges that cross midnight too. From 10:45pm to 6:15am the next morning, the tool correctly returns 7 hours and 30 minutes rather than a negative number, by recognising the range crosses into the next day.
How to use Time Duration Calculator
Step-by-step guide to the boxes below. Open it only if you need help.
How to use Time Duration Calculator
Step-by-step guide to the boxes below. Open it only if you need help.
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1
Start time Time
The time the shift or activity begins.
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2
End time Time
The time it finishes. If it ends after midnight, just pick the earlier clock time and the tool counts it as the next day.
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3
Press “Calculate Duration”
Click the button under the boxes. If something is missing or not valid, a short message tells you which box to fix.
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4
Read your result
The time between the two clock times is shown in hours and minutes. Change any box and try again to compare different numbers.
Time Duration Calculator FAQs
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