Hours Calculator: See How Many Hours are Between Two Times

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Below is a hours calculator. Use the easy-to-enter inputs and enter a starting time and an ending time, then hit the 'Calculate' button. We'll add up the number of hours (up to 23 hours and 59 minutes maximum).

Hours Calculator Between Two Times

Using the Hours Calculator

To use the tool to find the hourly difference in two times, enter

  • Start time: Enter when the activity or time-span began
  • End time: Enter the time to end the calculation

Next, click the blue 'Calculate Difference in Hours' button. We'll then do the math on the time-span between the two times you give us, assuming they both occurred in less than 24 hours (that is, 23 hours and 59 minutes is the maximum span).

  • Hours Between: A count of the minutes and hours between the start and end time you entered in the tool.
Hours between times calculator showing a 9 hour difference from 8:30 AM to 5:30 PM.
Many people work a 8:30 AM - 5:30 PM workday. This tool helps compute shift length.

Is Noon AM or PM? Is Midnight AM or PM?

Traditionally, 12:00 PM is noon and 12:00 AM is midnight.

What if the time-span crosses midnight (the start time is later than end time)?

The tool has no issue calculating times which go overnight and cross midnight. Enter any time-frame less than 24 hours and it can do the math.

Hours Between Two Times

This tool is most often used to calculate the length of a shift. Especially when a shift is overnight, it can be tricky to calculate the number of hours total. The hours between calculator clears up that trickiness and makes it easy to compute time-spans that cross noon and midnight.

The calculator is also great to plan and prepare with activities later in the day. Just enter the current time and when the event starts and we'll tell you how long you have left to get ready.

Hopefully the tool is useful to show the time duration when entering a start and end time. We look forward to see how you use the hours calculator – enjoy!

Date and Birthday Calculators, and Others

Got your fix of the hours difference calculator? There are many more where that came from.

Try our date and age calculators:

We also have many investment or economics calculators. Have fun!

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