Kalkulator czasu trwania

Calculate duration between times, add/subtract duration, convert time units, and find elapsed time with step-by-step solutions.

Your Input

Format: GG:MM lub GG:MM:SS (np. 09:00 lub 09:00:00)

Może nastąpić następnego dnia (np. od 23:00 do 02:00)

Select a calculation type, enter your times or duration, then click Calculate to see results with step-by-step solution and visualization.

Kompletny podręcznik użytkownika

Co to jest czas trwania?

Time duration is the amount of time that passes between two points in time, or the length of time something takes. This calculator finds duration between two clock times, adds or subtracts duration from a time, converts between time units, and computes end time from a start time and elapsed duration.

Time format: HH:MM or HH:MM:SS (24-hour)

Format czasu

HH:MM: Godziny: minuty (np. 14:30)

HH:MM:SS: Godziny: Minuty: Sekundy (np. 14:30:45)

Use 24-hour format (0-23 hours).

Typy obliczeń

Czas trwania pomiędzy czasami

Enter start and end time; duration can cross midnight.

Dodaj/odejmij czas trwania

Add or subtract hours, minutes, seconds, or days from a given time.

Konwersja jednostek czasu trwania

Convert between seconds, minutes, hours, days, weeks, months, and years.

Oblicz czas, który upłynął

From a start time and elapsed duration, get the end time.

Jak korzystać z tego kalkulatora

  1. Select calculation type from the dropdown.
  2. Enter time values (HH:MM or HH:MM:SS) or duration and units in the form.
  3. Click Calculate to see the result, detail cards, visualization (when available), and step-by-step solution.
  4. Click Reset to clear inputs and results.

Ważne uwagi

  • Use 24-hour format (0-23 hours). Duration can cross midnight.
  • Subtracting duration may wrap to the previous day. All calculations use seconds internally.
  • Months and years are approximate (30 and 365 days).

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