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Everyday tools

Date Difference Calculator

Find out exactly how much time is between two dates — in days, weeks, months and full years-months-days. Perfect for “days until” or “days since”.

Difference30 days
In full terms0 yr 0 mo 30 d
In weeks4 weeks 2 days
In months0 months 30 days

How to use it

  1. Pick a start date and an end date (in any order).
  2. See the total days, weeks and months, plus the exact breakdown.

FAQ

Does it include both the start and end day? It counts the number of days between the two dates (end minus start).

Is my data stored? No — the calculation runs entirely in your browser.