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Date difference calculator

Find the gap between calendar dates. Simple, private, right in your browser.

Pick up where you left offMy workspace →

Save the inputs and settings you choose. Nothing is uploaded until you select Save.

Save a file to your 5 MB cloud space

Choose a file explicitly. Your tool’s open files are never uploaded automatically. PDF, PNG, JPEG, WebP, TXT, CSV and JSON are supported.

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A LITTLE GUIDANCE

How to use this tool

  1. Enter a start date and an end date.
  2. Choose whether to include the end date.
  3. Calculate total days, weeks and a calendar breakdown.

A worked example

2024-02-28 to 2024-03-01 → 2 elapsed days, or 3 dates with both endpoints included.

What to know

Dates are counted without time zones or daylight-saving hours. End must be on or after start. With end-date inclusion, the same start and end date counts as one day.

Supported inputs and limits

Dates from 1900 through 2100.

Where is my data processed?

In your browser. Cloud saving is optional: only the supported inputs, settings or files you explicitly choose are uploaded. Download or save anything you want to keep before closing the page. Read our privacy details.

Further reading

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