How does the hours calculator handle overnight shifts?

The calculator automatically detects when the end time is earlier than the start time, indicating an overnight shift, and calculates the duration across midnight correctly.

Can I deduct breaks from my total hours?

Yes, you can enter break durations for each time entry, and the calculator subtracts them from the total time worked.

Can I calculate weekly totals with this calculator?

Yes, the calculator supports multiple time entries, allowing you to add several shifts and get a combined weekly total.

Fecha y Hora

Instantáneo, privado y gratis

Calculadora de Horas.

4 ago 2026

Calcula la duracion entre dos horas

Esta calculadora aún no está totalmente traducida; parte del texto se muestra en inglés.

Cálculo en el dispositivoSin registro

Introduce tus valores

Los resultados se actualizan al escribir.

02 / RESPUESTA

Entradas de tiempo

Entrada 1

Hora de inicio

Hora de fin

Descanso (minutos)

Duracion: 7 hours 30 minutes (7.5 hours)

Duracion

7 hours 30 minutes

Desglose

Decimal Hours7.5 hrs

Total Entries1

Como usar

12-hour format:

• 9:00 AM
• 5:30 PM
• 12:00 PM (noon)
• 12:00 AM (midnight)

24-hour format:

• 09:00
• 17:30
• 12:00
• 00:00

Tip: Overnight shifts are automatically detected. If the end time is earlier than the start time, the calculator assumes it's the next day.

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Cite this calculator

Canonical URL: https://mathify.one/es/date/hours

Updated 4 ago 2026

Cite as: Mathify. (2026). Calculadora de Horas. https://mathify.one/es/date/hours

Use Cases

Track work hours for payroll

Employees and employers can accurately calculate daily or weekly work hours, including breaks and overnight shifts, for payroll purposes.

Example: Enter Monday's 9:00 AM to 5:30 PM with a 30-minute break, then add Tuesday's shift to see the weekly total.

Plan project or study schedules

Students and freelancers can measure time spent on tasks or study sessions to manage their time effectively.

Example: Calculate total study time across multiple sessions in a day.

Frequently Asked Questions

How does the hours calculator handle overnight shifts?: The calculator automatically detects when the end time is earlier than the start time, indicating an overnight shift, and calculates the duration across midnight correctly.
Can I deduct breaks from my total hours?: Yes, you can enter break durations for each time entry, and the calculator subtracts them from the total time worked.
Can I calculate weekly totals with this calculator?: Yes, the calculator supports multiple time entries, allowing you to add several shifts and get a combined weekly total.

Tips & Common Mistakes

Tips

Use the 24-hour format (e.g., 14:30) to avoid AM/PM confusion, especially for overnight shifts.
Double-check that break times are entered in the same unit (minutes or hours) as expected by the calculator.
For weekly totals, enter each day's shift as a separate time entry to get an accurate sum.
If you work overnight, ensure the end time is on the next day (e.g., 23:00 to 07:00) for correct calculation.

Common Mistakes to Avoid

Forgetting to account for breaks, leading to overestimating total hours worked.
Entering times in 12-hour format without specifying AM/PM, causing incorrect durations.
Not separating multiple shifts into distinct entries, which can skew weekly totals.

Last updated: August 13, 2026