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7am to 3pm Is How Many Hours?

Hours and minutes between two clock times — overnight included — plus adding or subtracting hh:mm durations.

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Reading the times
Calculating the duration
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Result

From 7:00 in the morning to 3:00 in the afternoon is exactly 8 hours. This page opens the calculator with 07:00 and 15:00 already set — the classic early shift for hospitals, warehouses, bakeries, and first-shift factory rotations.

As with any 8-hour span, breaks decide the paid total: a 30-minute unpaid meal break makes the 7-to-3 day 7.5 worked hours, while two 15-minute paid breaks leave it at 8. Put the unpaid minutes into the break field and the net time appears in hh:mm, decimal hours, and minutes.

If your rotation starts even earlier or runs into the night, just edit the times — the calculator adds 24 hours automatically whenever the end time is earlier than the start, so overnight shifts compute correctly too.

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Accepted Formats & Rules

  • Time between two clock times with optional break
  • Add or subtract two hh:mm durations
  • Results in hh:mm, decimal hours, and minutes

Key Benefits

✓ Overnight spans are detected automatically when the end time is earlier than the start.
✓ Every result comes in hh:mm, decimal hours, and total minutes at once.
✓ A second mode adds or subtracts two hh:mm durations without base-60 mistakes.

Use Cases

  • • Find out exactly how long a shift lasts: pick the start and end times, subtract the lunch break, and read the result in hh:mm and decimal hours.
  • • Calculate an overnight span like 9pm to 5am — the calculator adds 24 hours automatically when the end time is earlier than the start.
  • • Add two hh:mm durations, such as timesheet entries or flight legs, with minutes carried correctly instead of decimal guesswork.