Cómo funciona.
DIAS.LAB es una función fundamental de Excel. Calcula el número de días laborables netos entre dos fechas, excluyendo fines de semana y festivos. Permite automatizar hojas de cálculo, simplificar fórmulas complejas y analizar datos con total precisión en Microsoft Excel y Google Sheets.
💡 En palabras sencillas.
Counts the number of working days between two dates, automatically skipping weekends (Saturdays & Sundays) and holidays.
"Think of this like counting school days. It counts the days you have school, automatically skipping weekends and holidays."
Sintaxis.
Notación Estándar de Excel=DIAS.LAB(fecha_inicial; fecha_final; [vacaciones])Argumentos.
A continuación se detallan todos los parámetros aceptados por esta función.
The starting date of the period.
Ejemplo:A2The ending date of the period.
Ejemplo:B2A range containing holiday dates to exclude.
Ejemplo:E2:E3Ejemplo práctico.
Caso de Uso Paso a PasoCalculate Project Working Days
Calculate the total billable working days between a project start and end date, excluding holidays.
| Start Date | End Date | Work Days | Holidays List | Holiday Date |
|---|---|---|---|---|
| 2026-08-03 | 2026-08-14 | — | Christmas | 2026-08-10 |
| 2026-08-05 | 2026-08-25 | — | New Year | 2026-08-21 |
| 2026-08-10 | 2026-08-21 | — | — | — |
=NETWORKDAYS(A2, B2, E2:E3)Evaluates NETWORKDAYS over the sample table cells, placing the verified output in cell C2:C6.
Generador de fórmula.
Abrir Asistente CompletoPersonaliza los campos de argumento a continuación para generar una fórmula lista para copiar y pegar en tu hoja de cálculo.
=DIAS.LAB()Comportamiento del resultado.
Returns "Calculated output" based on sample evaluation criteria and active cell references.
Buenas Prácticas
- To calculate working days with custom weekend schedules (like Saturdays only or Friday/Saturdays), use the advanced `=NETWORKDAYS.INTL()` function instead.
Errores Frecuentes
- Ensure your date values are real Excel serial dates or formatted text cells, rather than plain text that Excel fails to parse.
Compatibilidad de plataforma y versiones.
Matriz verificada con base en los motores de cálculo oficiales de Microsoft Excel y Google Sheets.
Core standard function supported across all modern and legacy Microsoft Excel versions (365, 2021, 2019, 2016, 2013, 2010), as well as Excel for the Web and Mac.
100% compatible with Google Sheets. Uses identical argument order, data types, and standard calculation logic.
Preguntas frecuentes.
Dudas TécnicasCan I use NETWORKDAYS across different worksheets in Excel?↓
Yes. You can reference cells located on other sheets by including the sheet name followed by an exclamation mark, for example: =NETWORKDAYS(Sheet2!A2:A10). If the sheet name contains spaces, enclose it in single quotes: ='Q1 Report'!A2:A10.
What is the most common reason for errors in NETWORKDAYS?↓
Ensure your date values are real Excel serial dates or formatted text cells, rather than plain text that Excel fails to parse.
Does NETWORKDAYS work identically in Google Sheets?↓
Yes, NETWORKDAYS is supported in both Microsoft Excel and Google Sheets with standard evaluation behavior.