Calculadora de temps

Calculate time difference, duration between two times, add or subtract hours and minutes, and convert between time units — all with step-by-step solutions.

Calcula

Format: HH:MM or HH:MM:SS (24h)

Select a calculation type, enter your values, and click Calculate to see results with step-by-step solution.

Guia d'usuari completa

About This Calculator

This time calculator handles four common time operations: finding the difference between two clock times, adding or subtracting a duration from a time, converting between time units (seconds, minutes, hours, days, weeks), and calculating the duration between a start and end time — with automatic midnight-crossing support.

4 Calculation Types

Diferència de temps

Find the exact difference between two clock times in hours, minutes, and seconds.

Add / Subtract

Add or subtract hours, minutes, seconds, or days from any clock time.

Convertir unitats

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

Durada

Calcula quant de temps passa des del principi fins al final. S'encarrega de la travessia nocturna/mitjanit.

Key Formulas

Difference: |Time₂ − Time₁| (in seconds)

Afegeix: Time + Amount → mod 86400

Convert: Value × FromFactor ÷ ToFactor

Durada: End − Start (o 86400 − Start + End)

Notes importants

  • Utilitzeu el format de 24 hores: de 0:00 a 23:59. Per exemple, 14:30 = 14:30.
  • Duration handles midnight crossing: Start 22:00, End 06:00 = 8 hours.
  • Afegir/retreure embolcalls al voltant de 24 hores. Restant passada la mitjanit s'afegeixen 24 h.
  • 1 dia = 86.400 segons, 1 setmana = 604.800 segons.

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