Calcolatore del giorno della settimana

Find what day of the week any date falls on, next/previous occurrence of a weekday, and count or list weekdays in a range with step-by-step solutions.

Your Input

Format: YYYY-MM-DD

Select a calculation type, enter your dates and weekday, then click Calculate to see results with step-by-step solutions.

Guida per l'utente completa

Cos'è un calcolatore del giorno della settimana?

A day of week calculator finds which weekday (Monday–Sunday) any date falls on, the next or previous occurrence of a chosen weekday, and how many times (or which dates) a weekday appears in a date range. It uses the Gregorian calendar and handles leap years and varying month lengths.

Weekday index: 0=Monday … 6=Sunday  |  Weekdays Mon–Fri; weekends Sat–Sun

Use it for scheduling, planning recurring events, or checking if a date is a weekday or weekend.

Date Format

Use YYYY-MM-DD (e.g. 2025-02-15). Dates from year 1 to 9999 are supported.

Tipi di calcolo

Trova il giorno della settimana

Enter any date to see which weekday it is and whether it's a weekday or weekend.

Evento successivo

From a date, find the next occurrence of a chosen weekday (e.g. next Monday).

Evento precedente

From a date, find the previous occurrence of a chosen weekday.

Contare i giorni feriali

Count how many times a specific weekday appears in a date range; includes chart.

Trova tutte le occorrenze

List all dates in a range that fall on a chosen weekday (e.g. all Mondays; up to 20 shown).

Come utilizzare questa calcolatrice

  1. Select a calculation type (Find Day, Next/Previous Occurrence, Count Weekdays, or Find All Occurrences)
  2. Enter the required dates and choose a weekday where needed
  3. Click 'Calculate' to see the result
  4. Review the main result, detail card (weekday/weekend), occurrences list, and step-by-step solution
  5. Use the chart when counting weekdays for a visual breakdown
  6. Click 'Reset' to set all dates to today and clear results

Comprendere i risultati

Main result

The weekday name, result date, or count—depending on the mode. The subtitle shows the date or a short description.

Detail card

For Find Day of Week: indicates whether the date is a Weekday (Mon–Fri) or Weekend (Sat–Sun).

Occurrences list

For Find All Occurrences: lists the dates in the range that fall on the chosen weekday (up to 20).

Capire i giorni feriali

The calculator uses weekday index 0=Monday through 6=Sunday. Weekdays are Monday–Friday; weekends are Saturday and Sunday.

  • 0 = lunedì
  • 1 = martedì
  • 2 = mercoledì
  • 3 = giovedì
  • 4 = venerdì
  • 5 = sabato
  • 6 = domenica

Note importanti

  • Uses Gregorian calendar; leap years and varying month lengths are handled.
  • Weekday index: 0=Monday … 6=Sunday. Weekdays Mon–Fri; weekends Sat–Sun.
  • Dates must be between year 1 and 9999. Use YYYY-MM-DD format.

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