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Date Difference Calculator
Calculate the days, months and years between two dates.
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ℹ️ This tool is for informational purposes only. It does not replace professional advice.
The date difference calculator tells you how much time has passed or will pass between two days: in total days, weeks, months and years, plus the business days (Monday to Friday). Handy for knowing how many days are left until an event, calculating delivery deadlines, contract terms, holidays or anniversaries. Pick the dates or use the 'Today' button to start from the current date. Use it as many times as you need: it is completely free, requires no sign-up and works directly in your browser.
Frequently asked questions
¿Cómo se cuentan los días entre dos fechas?
Se restan los dos días: del día 1 al día 10 hay 9 días transcurridos (o 10 si cuentas ambos inclusive). Esta herramienta usa días transcurridos, el criterio habitual.
¿Qué es un día laborable?
Es un día de lunes a viernes, sin contar sábados ni domingos. Las fiestas nacionales o locales no se descuentan automáticamente.
¿La calculadora incluye el día final en el recuento?
En el desglose, los días laborables se cuentan de forma inclusiva (ambas fechas incluidas). El total de días se muestra como tiempo transcurrido.
How are the days between two dates counted?
The two days are subtracted: from day 1 to day 10 there are 9 days elapsed (or 10 counting both). This tool uses elapsed days, the usual criterion.
What is a business day?
It is any day from Monday to Friday, not counting Saturdays or Sundays. National or local holidays are not deducted automatically.
Does the calculator include the final day in the count?
In the breakdown, business days are counted inclusively (both dates included). The total of days is shown as elapsed time.