Calculatrice date et heure
Calculer des différences de dates, ajouter ou soustraire des jours⌘⏎ run · ⇧⌘C copy · ⎋ resetINPUTDays / Year / Month
OUTPUT
❯ _Lancez une opération pour voir les résultats ici.then press ⌘⏎
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What is Calculatrice date et heure?
The Date & Time Calculator finds the number of days between two dates, calculates age, adds or subtracts days, counts working days and handles leap years — all in your browser. It is useful for deadlines, billing periods, age checks and scheduling. Results update instantly as you change the dates.
How to use it
- 01Pick a start (and end) date, or a base date to add to.
- 02Choose the calculation: difference, add/subtract, workdays or age.
- 03Read the result, including calendar and working days where relevant.
FAQ
Does it account for leap years?
Yes — all date math is calendar-accurate, including February 29.
Can it skip weekends?
Yes — the working-days mode excludes Saturdays and Sundays.
Is my data stored?
No — the calculation is entirely local to your browser.