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Day Counter

Use this day counter entirely in your browser.

Result31 days

The difference excludes the start date.

Calculations happen locally in your browser.

How to use this calculator

  1. Enter the labelled values and review the live result.
  2. Review the live result and use Copy result when you need to share it.

How the calculation works

UTC calendar dates are subtracted in whole 24-hour days.

Formula

UTC calendar dates are subtracted in whole 24-hour days.

Step-by-step calculation

  1. Enter the labelled values and review the live result.
  2. UTC calendar dates are subtracted in whole 24-hour days.
  3. Check the displayed result, then copy it if needed.

Worked example

20 July to 20 August is 31 days.

Risk guidance

Frequently asked questions

Does this tool send my inputs anywhere?

No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.

How should I use the result?

Check that the entered units and values match your situation, especially around dates, breaks, and rounding.

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