Days & Months in Italian
Italian days and months are lowercase, musical, and built from Latin roots that English speakers can often recognize. The system includes one elegant grammar feature: adding the article il before a day turns it from a specific reference into a habitual one. This guide covers all the vocabulary, date formats, and the small rules that make Italian dates flow naturally.
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Days of the Week
The Italian week begins on lunedì (Monday). Days from Monday to Friday end in -dì (from the Latin dies, meaning "day"). The weekend days break this pattern.
Days ending in -dì are masculine and invariable (no plural change): il lunedì, i lunedì. But sabato is masculine with regular plural (i sabati), and domenica is the only feminine day (la domenica, le domeniche).
Months of the Year
Italian months are all masculine and lowercase. Most are immediately recognizable to English speakers.
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The Article Rule: Specific vs. Habitual
This is the most important grammar point for using days in Italian:
- Lunedì vado in palestra. -- On (this) Monday I go to the gym. (specific, one time)
- Il lunedì vado in palestra. -- On Mondays I go to the gym. (habitual, every week)
- La domenica andiamo al mare. -- On Sundays we go to the beach. (habitual)
Remember: domenica is the only feminine day, so it uses la for habitual: la domenica. All other days use il: il lunedì, il martedì, etc.
Writing Dates
Italian dates follow the pattern il + number + month + year:
- il primo gennaio -- January 1st (only the 1st uses "primo")
- il 2 febbraio -- February 2nd
- il 5 marzo 2026 -- March 5, 2026
- il 25 dicembre -- December 25th
Prepositions with Months
- a gennaio or in gennaio -- in January (both are correct)
- nel mese di marzo -- in the month of March (formal)
- da lunedì a venerdì -- from Monday to Friday
Useful Expressions
- Che giorno è oggi? -- What day is today?
- Oggi è mercoledì. -- Today is Wednesday.
- Quanti ne abbiamo oggi? -- What is the date today?
- Il mio compleanno è in luglio. -- My birthday is in July.
- Ci vediamo venerdì! -- See you Friday!
Frequently Asked Questions
Are days and months capitalized in Italian?
No. Italian treats days and months as common nouns, so they are always lowercase: lunedì, gennaio. The only exception is when they appear at the beginning of a sentence.
How do I express habitual days in Italian?
Use the definite article il before the day: il lunedì means "on Mondays" or "every Monday." Without the article, lunedì refers to a specific Monday. This is the same pattern as French (le lundi).
How do I write dates in Italian?
Italian uses the format day + month + year: il 5 marzo 2026. For the first of the month, use the ordinal primo: il primo gennaio (January 1st). All other dates use cardinal numbers: il due febbraio (February 2nd).
What prepositions go with days and months?
Use di + article for habitual days: di lunedì or il lunedì. Use a or in for months: a gennaio or in gennaio (in January). For specific dates: il 5 marzo (on March 5th).