Days of the week (el lunes, el martes)

Days of the Week

All days of the week in Spanish are masculine. Notice that they are never capitalized unless they appear at the very beginning of a sentence.

EnglishSpanish
Mondayel lunes
Tuesdayel martes
Wednesdayel miércoles
Thursdayel jueves
Fridayel viernes
Saturdayel sábado
Sundayel domingo
The week has seven days.
La semana tiene siete días.

Saying "On" a Specific Day

In English, we say that something happens "on" a certain day. In Spanish, you simply use the masculine article el. Do not use a word like en to say "on".

On Monday I go downtown with my friend.
El lunes voy al centro con mi amigo.
On Tuesday I visit the museum.
El martes visito el museo.

To talk about something you do regularly (like "on Mondays" or "every Friday"), use the plural article los.

For Monday through Friday, the name of the day already ends in -s, so the word itself doesn't change. Just change el to los.

On Mondays I am always tired.
Los lunes siempre estoy cansado.
On Fridays I do not work.
Los viernes no trabajo.

For Saturday (sábado) and Sunday (domingo), you must also add an -s to the end of the day, just like you would with a regular plural noun.

We have the match on Saturdays.
Tenemos el partido los sábados.
On Sundays I sleep a lot.
Los domingos duermo mucho.

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