Time Between Dates Calculator

Enter two times to find the hours and minutes between them.

Enter the starting hour using 24-hour time.
Enter the starting minute.
Enter the ending hour using 24-hour time.
Enter the ending minute.

Time difference

8 h 30 min

Start time09:00
End time17:30
Total minutes510
Total hours8.5

How to use this time between dates calculator

  1. Enter the start time

    Type the starting hour and minute in the Start hour and Start minute fields.

  2. Enter the end time

    Type the ending hour and minute in the End hour and End minute fields.

  3. Read the elapsed time

    Review the total duration in hours and minutes, with overnight spans handled automatically.

Methodology

How this time between dates calculator works

This page uses the same elapsed-time logic as the time calculator, but it is framed around the common question of how much time lies between two entered times. It is useful when you care about the span itself rather than a named schedule block or work shift.

Formula
elapsed time = later clock value − earlier clock value, with overnight rollover when needed
start time The first clock time entered
end time The second clock time entered
Example

From 13:20 to 18:05, the elapsed time is 4 hours and 45 minutes.

From 06:45 to 15:20, the elapsed time is 8 hours and 35 minutes, or 515 total minutes — useful for tracking a full workday.

Assumptions
  • The input times use a 24-hour clock.
  • Overnight spans roll into the next day automatically when the end time is earlier than the start time.
  • The result is a raw elapsed duration without break adjustments.
Notes
  • This page is helpful for quick time-span questions without needing separate date inputs.
  • Use the date-difference tools when whole calendar days matter.
  • Use the time-zone converter when the times belong to different locations.
Sources
  1. Standard clock-time arithmetic using 24-hour notation

Clock-time spans in everyday planning

Knowing the exact duration between two clock times is useful in more situations than you might expect. Freelancers log billable hours by noting start and end times; students track study blocks to build consistent habits; travelers estimate layover lengths from departure and arrival times shown in different formats. This calculator eliminates the mental arithmetic, especially when the span crosses noon or midnight and the subtraction becomes awkward. Because it uses a 24-hour input, there is no ambiguity between morning and evening — 14:00 is always 2:00 pm, and the result is always the shortest positive elapsed time between the two entries.

Time between dates calculator FAQs

Is this different from the time calculator?

The math is the same, but the page is phrased around the time-between query rather than general duration planning.

Can it handle overnight spans?

Yes. It treats an earlier end time as the next day.

Does it account for lunch breaks or pauses?

No. It returns total elapsed time between the two clock times.

Written by Jan Křenek Founder and lead developer
Reviewed by DigitSum Methodology Review Formula verification and QA
Last updated Mar 11, 2026

Use this as an estimate and validate important decisions with a qualified professional.

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