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Date Difference Calculator

Count calendar days between two dates, with an option to include both endpoints. Leap years are handled automatically.

W przeglądarce · Bez rejestracji

Uses Gregorian calendar dates at UTC midnight, avoiding daylight-saving changes. Inclusive mode requires the end date to be on or after the start.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Jak używać

  1. Count calendar days between two dates, with an option to include both endpoints. Leap years are handled automatically.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Przykład

2026-01-01 → 2026-01-31 = 30 d

Szczegóły i ograniczenia

Text stays in your browser; it is not sent to a conversion server.

Źródła

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