A1 Nouns & Articles 18 min read Easy

Spanish Days of the Week (lunes, martes...)

Spanish days are all masculine, lowercase, and use the definite article el instead of the preposition 'on'.
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Grammar Rule in 30 Seconds

In Spanish, days of the week are always masculine and require a definite article (el or los) to mean 'on'.

  • All days of the week are masculine: el lunes, el martes.
  • Use 'el' for a single day (on Monday) and 'los' for recurring days (on Mondays).
  • Days ending in -s (lunes, martes, miércoles, jueves, viernes) do not change in the plural.
Article (el/los) + Day of the Week = On [Day]

Overview

Mastering the days of the week in Spanish is a foundational step for any learner, particularly at the A1 CEFR level. These seven terms are essential for scheduling, discussing routines, and navigating daily life in Spanish-speaking environments. Unlike English, where days derive from a mix of Norse gods and celestial bodies, Spanish days are almost exclusively rooted in Greco-Roman mythology and planetary names, with the exception of the weekend.

Understanding these origins can serve as a valuable mnemonic.

A critical distinction from English is that Spanish days of the week are common nouns, not proper nouns. This means they are generally written in lowercase letters unless they initiate a sentence or appear in a title. For instance, you write lunes (Monday), not Lunes.

This consistent lowercase usage is a common point of confusion for English speakers but is a fundamental rule in Spanish orthography. Furthermore, every single day of the week in Spanish is masculine, a characteristic that simplifies article usage considerably.

Culturally, it is important to note that the week in most Spanish-speaking regions typically begins on lunes (Monday) and concludes on domingo (Sunday). This organizational difference is reflected in calendars and scheduling applications, where Monday often occupies the leftmost column. Recognizing this pattern helps avoid miscommunications in planning and provides insight into the rhythm of the week in Hispanic cultures, where domingo is traditionally a day for rest and family, distinct from the working week.

How This Grammar Works

Using Spanish days of the week effectively involves understanding three primary grammatical components: their inherent gender, the application of articles, and their specific pluralization rules. These elements work together to allow you to express concepts like "on Monday" or "every Tuesday" with precision.
First and foremost, all seven days of the week in Spanish are masculine. This grammatical gender is fixed and invariable. Consequently, whenever you use a definite article with a day of the week, it must always be the masculine form: el for singular days and los for plural days.
You will never encounter a feminine article like la or las preceding a day of the week in standard Spanish. This consistent gender attribution simplifies the learning process, as it removes the need to memorize gender for each individual day.
Second, the Spanish definite article el plays a crucial dual role when used with days of the week, combining the meaning of "the" and "on." In English, we explicitly use the preposition "on" to specify a day for an event, as in "I have a meeting on Tuesday." In Spanish, this "on" is typically not expressed as a separate preposition like en. Instead, the definite article el or los implicitly conveys this temporal meaning. For example, el martes translates to "on Tuesday" when referring to a specific instance of the day, not merely "the Tuesday." This is a significant point of divergence from English and a common area for error.
Consider the following examples demonstrating the function of el:
  • El lunes voy al gimnasio. (On Monday, I go to the gym.)
  • La cita es el viernes. (The appointment is on Friday.)
  • ¿Nos vemos el miércoles? (Shall we see each other on Wednesday?)
Third, the pluralization of days of the week follows a distinct pattern that deviates from the general Spanish rule of adding -s or -es. This uniqueness stems from the fact that five of the seven days already end in -s in their singular form (lunes, martes, miércoles, jueves, viernes). For these days, the word itself does not change when made plural; only the accompanying definite article shifts from el to los.
This is because their singular form already carries a phonetic characteristic often associated with plurality in Spanish (ending in -s), and the stress typically does not fall on the final syllable. For the remaining two days, sábado and domingo, pluralization adheres to the standard Spanish rule of adding -s.
Here is a summary of the articles and plural forms:
| Day | Singular (on the...) | Plural (on/every...) |
|:-------------|:-----------------------|:-----------------------|
| lunes | el lunes | los lunes |
| martes | el martes | los martes |
| miércoles | el miércoles | los miércoles |
| jueves | el jueves | los jueves |
| viernes | el viernes | los viernes |
| sábado | el sábado | los sábados |
| domingo | el domingo | los domingos |
This table illustrates the core patterns for correctly using days of the week in Spanish. Understanding these mechanics is crucial for building accurate sentences and expressing temporal information effectively.

Formation Pattern

1
The names of the days of the week in Spanish are rich with historical and mythological significance, primarily stemming from Latin. Understanding their etymology can not only aid memorization but also connect you to a broader cultural context. The pattern largely reflects celestial bodies and Roman deities, a common thread across Romance languages.
2
Here is a detailed breakdown of each day, its Spanish name, and its origin:
3
| Spanish Day | English Equivalent | Origin (Celestial/Mythological) | Linguistic Connection |
4
|:--------------|:-------------------|:----------------------------------------------------------|:---------------------------------------------------------------------------------------|
5
| lunes | Monday | Luna (Moon) | From Latin dies Lunae (day of the Moon). |
6
| martes | Tuesday | Marte (Mars), Roman god of war | From Latin dies Martis (day of Mars). |
7
| miércoles | Wednesday | Mercurio (Mercury), Roman messenger god | From Latin dies Mercurii (day of Mercury). |
8
| jueves | Thursday | Júpiter (Jupiter), king of the Roman gods (chief deity) | From Latin dies Iovis (day of Jupiter). |
9
| viernes | Friday | Venus (Venus), Roman goddess of love and beauty | From Latin dies Veneris (day of Venus). |
10
| sábado | Saturday | Sabbath (day of rest) | From Latin sabbatum, which comes from Hebrew shabbat (rest). |
11
| domingo | Sunday | Dominicus (The Lord's Day) | From Latin dies Dominicus (The Lord's Day), referring to the Christian day of worship. |
12
Notice that the first five days directly correspond to planets visible to the naked eye (Moon, Mars, Mercury, Jupiter, Venus). The weekend days, sábado and domingo, diverge from this planetary theme, reflecting religious observances rather than classical deities. Sábado maintains a connection to the Jewish Sabbath, while domingo signifies the Christian day of worship.
13
In contemporary usage, particularly in informal communication or on digital interfaces, days of the week are frequently abbreviated. The most common form uses the first two letters, which is convenient and widely understood:
14
Lu for lunes
15
Ma for martes
16
Mi for miércoles
17
Ju for jueves
18
Vi for viernes
19
Sá for sábado (note the accent retained to distinguish from sa, a different sound)
20
Do for domingo
21
For even more constrained spaces, such as minimalist calendar apps or specific data displays, single-letter abbreviations are employed. This introduces a unique convention for Wednesday:
22
L for lunes
23
M for martes
24
X for miércoles
25
J for jueves
26
V for viernes
27
S for sábado
28
D for domingo
29
The use of X for miércoles is a distinct and practical convention to avoid ambiguity with martes, which also starts with M. This practice is widespread in Spanish-speaking countries and is an example of how the language adapts for clarity in specific contexts. While miércoles does not contain an 'x' sound in its standard pronunciation, the letter 'X' serves as an effective and universally recognized differentiator in this specific abbreviated context.

Gender & Agreement

As previously established, all days of the week in Spanish are masculine nouns. This fundamental grammatical characteristic dictates how they interact with other parts of speech, particularly articles, adjectives, and occasionally pronouns. Understanding this inherent gender is critical for maintaining grammatical agreement in your sentences.
Because days are masculine, any definite article preceding them must also be masculine: el for singular and los for plural. This rule is absolute and applies uniformly across all seven days. For example, you will always say el jueves or los domingos, never la jueves or las domingos.
Furthermore, if you choose to describe a day of the week with an adjective, that adjective must agree in both gender and number with the masculine day. Since all days are masculine, the adjective will take its masculine form. If you are referring to a single day, the adjective will be singular; if referring to multiple days, the adjective will be plural.
Consider these examples:
  • El lunes aburrido. (The boring Monday.) Here, aburrido is masculine singular, agreeing with lunes.
  • Los sábados largos. (The long Saturdays.) Largos is masculine plural, agreeing with sábados.
  • Un martes frío. (A cold Tuesday.) Even with an indefinite article un, the adjective frío remains masculine singular.
This agreement principle is consistent with how adjectives function throughout Spanish grammar. Whenever an adjective modifies a noun, it must match the noun's gender and number. The inherent masculinity of the days of the week simplifies this process, as you do not need to concern yourself with a feminine alternative.
It is also important to differentiate between stating what day it is and referring to an action on a particular day. When simply stating the current day, particularly with the verb ser (to be), the article el is typically omitted. This forms a direct identification, similar to English.
  • Hoy es lunes. (Today is Monday.) - No article is used before lunes.
  • Mañana será viernes. (Tomorrow will be Friday.) - Again, no article.
However, when the day functions as the object of a preposition (even if implicitly through el) or indicates when an action occurs, the definite article el or los is necessary. This use turns the day into a specific temporal reference point, almost as if it were an adverbial phrase.
  • El lunes tengo una reunión. (On Monday, I have a meeting.) - el lunes specifies the day of the meeting.
  • Trabajo los sábados. (I work on Saturdays / I work Saturdays.) - los sábados indicates a habitual action.
This distinction between direct identification and temporal reference is a key nuance that clarifies when to include the definite article. The underlying principle remains the same: the days are masculine nouns, and their grammatical behavior reflects this characteristic, ensuring coherent sentence structure and meaning.

When To Use It

Days of the week are indispensable for countless everyday communication scenarios in Spanish. Their proper usage allows you to express scheduling, routines, past events, and future plans with clarity. Understanding the various contexts in which they appear will significantly enhance your practical fluency.
One of the most frequent uses is for scheduling and making appointments. When you want to specify a particular day for an event or meeting, you will typically use el + the day of the week.
  • ¿Quedamos el jueves por la tarde? (Shall we meet on Thursday afternoon?)
  • La clase de baile es el martes a las siete. (The dance class is on Tuesday at seven.)
  • Tengo una cita con el médico el miércoles. (I have a doctor's appointment on Wednesday.)
To describe regular or habitual actions that occur on a specific day of the week, you use the plural definite article los + the day. This construction implicitly means "every" or "on (all) days." This is a highly common usage pattern for discussing routines.
  • Los viernes salgo con mis amigos. (On Fridays I go out with my friends / Every Friday I go out with my friends.)
  • Ella trabaja los domingos. (She works on Sundays / She works every Sunday.)
  • Los lunes son difíciles. (Mondays are difficult / Every Monday is difficult.)
When referring to past or future events involving a specific day, el + day is generally used, often accompanied by temporal adverbs. This allows you to place actions accurately on a timeline.
  • Fui al cine el sábado pasado. (I went to the cinema last Saturday.)
  • Tendremos un examen el viernes que viene. (We will have an exam next Friday.)
  • ¿Recuerdas lo que pasó el martes? (Do you remember what happened on Tuesday?)
It is crucial to distinguish between el + day (a specific day) and un + day (any unspecified day). While el lunes refers to the upcoming or specified Monday, un lunes refers to any Monday, without particularity.
  • Nací un domingo. (I was born on a Sunday.) - This refers to a Sunday in general, not a specific one.
  • Un martes cualquiera, decidí cambiar mi vida. (On any given Tuesday, I decided to change my life.)
Similarly, while los lunes typically implies a habitual action (every Monday), cada lunes can also be used to express "each Monday." Both convey recurrence, though todos los lunes (all the Mondays) is often a more direct translation of "every Monday."
  • Cada lunes tengo una reunión diferente. (Each Monday I have a different meeting.)
  • Todos los viernes comemos pescado. (Every Friday we eat fish.)
Finally, days of the week are integral to mentioning the weekend (el fin de semana). This phrase functions like a day of the week in terms of gender and article usage. The plural for weekends is los fines de semana.
  • ¿Qué harás el fin de semana? (What will you do on the weekend?)
  • Me gusta descansar los fines de semana. (I like to rest on weekends.)
By understanding these diverse applications, you can confidently integrate the days of the week into your Spanish conversations, making your communication more precise and natural.

Common Mistakes

Learning the days of the week in Spanish is straightforward, but several common pitfalls can trip up even intermediate learners. Recognizing these typical error patterns and understanding the underlying grammatical principles will help you avoid them and sound more natural.
  1. 1The "En" Trap: One of the most pervasive errors for English speakers is attempting to translate "on" directly with en. You should never use en with the days of the week to mean "on a specific day." The definite article el or los already incorporates this temporal meaning.
  • Incorrect: *Voy a la playa en sábado.
  • Correct: Voy a la playa el sábado. (I'm going to the beach on Saturday.)
  • Incorrect: *Hacemos ejercicio en los jueves.
  • Correct: Hacemos ejercicio los jueves. (We exercise on Thursdays.)
Remember, el or los does the job of "on." Explicitly using en creates a redundant or ungrammatical construction in this context.
  1. 1Incorrect Capitalization: Due to English convention, many learners initially capitalize the days of the week in Spanish. This is a mistake. Days of the week in Spanish are common nouns and therefore should be written in lowercase unless they are the first word of a sentence or part of a proper name (e.g., a street or festival title).
  • Incorrect: *Tengo una reunión el Lunes.
  • Correct: Tengo una reunión el lunes. (I have a meeting on Monday.)
  • Incorrect: *Martes es mi día favorito.
  • Correct: Martes es mi día favorito. (Tuesday is my favorite day.)
Only capitalize when starting a sentence: Miércoles es el día más largo. (Wednesday is the longest day.)
  1. 1Over-Pluralization of -s Days: Five days (lunes, martes, miércoles, jueves, viernes) already end in -s. A common error is attempting to add another -s or -es when forming the plural. These words do not change their form in the plural; only the article changes from el to los.
  • Incorrect: *Los luneses son agotadores.
  • Correct: Los lunes son agotadores. (Mondays are exhausting.)
  • Incorrect: *Me gusta trabajar los vierneses.
  • Correct: Me gusta trabajar los viernes. (I like to work on Fridays.)
This mistake often arises from applying the general pluralization rule too broadly without recognizing the exception for these specific words.
  1. 1Omitting the Article When Needed: While you omit the article when simply stating what day it is (Hoy es lunes), it is crucial to include el or los when referring to an action or event happening on that day, or to a habitual action. Forgetting the article in these instances sounds awkward and grammatically incomplete to a native speaker.
  • Incorrect: *Voy al cine sábado.
  • Correct: Voy al cine el sábado. (I'm going to the cinema on Saturday.)
  • Incorrect: *Hago deporte domingos.
  • Correct: Hago deporte los domingos. (I play sports on Sundays.)
The article acts as a temporal marker here, making the day specific to an action.
  1. 1Gender Confusion: Although less common once the rule is learned, initially, some learners might attempt to use feminine articles. Reinforce that all days are masculine.
  • Incorrect: *La martes es mi cumpleaños.
  • Correct: El martes es mi cumpleaños. (Tuesday is my birthday.)
This consistency is a simplifying factor in Spanish grammar regarding days of the week.
By being mindful of these common errors, you can refine your usage and speak about days of the week with greater accuracy and confidence.

Common Collocations

Collocations are words or phrases that naturally go together. Learning common collocations involving days of the week will make your Spanish sound more authentic and fluent. These fixed expressions enhance your ability to discuss schedules, routines, and temporal references with native-like precision.
1. el día de la semana: This phrase means "the day of the week." It's useful when asking about or referring to specific days in a general sense.
  • ¿Cuál es tu día de la semana favorito? (What is your favorite day of the week?)
  • El lunes es el primer día de la semana. (Monday is the first day of the week.)
2. entre semana: This translates to "during the week" or "on weekdays," referring to the period from Monday to Friday, excluding the weekend. It's an excellent way to generalize about working days.
  • Trabajo mucho entre semana. (I work a lot during the week.)
  • Nos vemos entre semana para el café. (We see each other during the week for coffee.)
3. el fin de semana / los fines de semana: This refers to "the weekend" and "weekends" (plural). It follows the masculine article rule, and its plural is formed by changing both el to los and fin to fines.
  • ¿Qué planes tienes para el fin de semana? (What plans do you have for the weekend?)
  • Siempre viajo los fines de semana. (I always travel on weekends.)
4. todos los + day: This construction is a very common way to express "every" or "all" of a particular day, implying a consistent, recurring action. It's more common than cada + day when referring to a routine.
  • Todos los miércoles tengo clase de guitarra. (Every Wednesday I have guitar class.)
  • Cerramos todos los domingos. (We close every Sunday.)
5. cada + day: While todos los emphasizes the entirety of a set of days, cada emphasizes each individual instance of the day, meaning "each" or "every single" day.
  • Cada martes presento un informe. (Each Tuesday I present a report.)
  • Recibo un correo cada lunes. (I receive an email each Monday.)
6. el + day + pasado/a: To refer to a day in the past, you use el + day + pasado (or pasada if the noun were feminine, but days are masculine).
  • El jueves pasado llovió mucho. (Last Thursday it rained a lot.)
  • ¿Qué hiciste el sábado pasado? (What did you do last Saturday?)
7. el + day + próximo/a or que viene: To refer to a day in the future, you can use either el + day + próximo or el + day + que viene. Both are interchangeable and widely used.
  • La reunión es el martes próximo. (The meeting is next Tuesday.)
  • Viajaremos el viernes que viene. (We will travel next Friday.)
8. el día de + event: This structure is used to specify the day of a particular event or celebration. Here, día acts as the primary noun, and the de introduces the event.
  • El día de San Valentín es el 14 de febrero. (Valentine's Day is February 14th.)
  • ¿Recuerdas el día de nuestra boda? (Do you remember our wedding day?)
These collocations provide ready-made phrases that sound natural and are instantly recognizable to native speakers. Integrating them into your vocabulary will significantly improve your fluency and communicative effectiveness.

Real Conversations

Understanding the grammatical rules is essential, but seeing days of the week in authentic conversational contexts illuminates their practical application. Here, we explore how native speakers use days of the week in various modern communication settings, from casual texts to more formal work discussions.

Casual Texting/Messaging: In informal digital communication, Spanish speakers often use abbreviations or slightly condensed phrases, though the core grammatical rules (especially concerning articles) typically remain.

- Scenario 1: Making plans

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Articles for Days of the Week

Timeframe Article Day Example
Singular
el
lunes
el lunes
Singular
el
martes
el martes
Singular
el
miércoles
el miércoles
Singular
el
jueves
el jueves
Singular
el
viernes
el viernes
Singular
el
sábado
el sábado
Singular
el
domingo
el domingo
Plural
los
lunes
los lunes
Plural
los
sábados
los sábados

Meanings

The definite article is used before days of the week to indicate specific time points or recurring events, functioning where English uses the preposition 'on'.

1

Specific day

Referring to a specific day of the current or upcoming week.

“El lunes voy al médico.”

“El martes es mi cumpleaños.”

2

Recurring day

Referring to a habit or event that happens every week on that day.

“Los lunes voy al gimnasio.”

“Los jueves comemos pizza.”

Reference Table

Reference table for Spanish Days of the Week (lunes, martes...)
Form Structure Example
Affirmative
El + Day
El lunes voy.
Negative
No + Verb + el + Day
No voy el lunes.
Question
¿Verbo + el + Day?
¿Vas el lunes?
Recurring
Los + Day(s)
Los lunes estudio.
Exception
Sábado/Domingo + s
Los sábados.
No change
Lunes-Viernes
Los lunes.

Formality Spectrum

Formal
Nos veremos el lunes.

Nos veremos el lunes. (Scheduling)

Neutral
Te veo el lunes.

Te veo el lunes. (Scheduling)

Informal
Nos vemos el lunes.

Nos vemos el lunes. (Scheduling)

Slang
El lunes nos vemos.

El lunes nos vemos. (Scheduling)

Days of the Week Structure

Days of the Week

Weekdays

  • lunes Monday
  • martes Tuesday

Weekend

  • sábado Saturday
  • domingo Sunday
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Examples by Level

1

El lunes estudio.

On Monday I study.

2

El martes tengo clase.

On Tuesday I have class.

3

Los lunes trabajo.

On Mondays I work.

4

El viernes es mi fiesta.

On Friday is my party.

1

Los sábados voy al parque.

On Saturdays I go to the park.

2

No trabajo el miércoles.

I don't work on Wednesday.

3

¿Vas al cine el domingo?

Are you going to the cinema on Sunday?

4

Los domingos son para descansar.

Sundays are for resting.

1

El jueves pasado fui a Madrid.

Last Thursday I went to Madrid.

2

Solemos reunirnos los viernes por la tarde.

We usually meet on Friday afternoons.

3

El próximo lunes será un día muy ocupado.

Next Monday will be a very busy day.

4

Los fines de semana, los sábados y domingos, viajo.

On weekends, Saturdays and Sundays, I travel.

1

El lunes, sin falta, entregaré el informe.

On Monday, without fail, I will submit the report.

2

Es costumbre que los miércoles cerremos temprano.

It is customary that we close early on Wednesdays.

3

El martes, que es cuando tengo más tiempo, te llamaré.

On Tuesday, which is when I have more time, I will call you.

4

Los días que más disfruto son los viernes.

The days I enjoy most are Fridays.

1

El lunes, tras la reunión, decidiremos el rumbo a seguir.

On Monday, after the meeting, we will decide the path to follow.

2

Los martes, por norma general, se dedican a la revisión técnica.

Tuesdays, as a general rule, are dedicated to technical review.

3

Aquel fatídico viernes, el mundo cambió para siempre.

That fateful Friday, the world changed forever.

4

Los domingos se prestan a la reflexión introspectiva.

Sundays lend themselves to introspective reflection.

1

El lunes, día de inicio de la jornada laboral, suele ser el más productivo.

Monday, the start of the work week, is usually the most productive.

2

Los viernes, al caer la tarde, la ciudad se transforma.

On Fridays, as evening falls, the city transforms.

3

Si el lunes no puedes, el martes me vendría bien.

If you can't on Monday, Tuesday would work for me.

4

Los sábados, por tradición, visitamos a la abuela.

On Saturdays, by tradition, we visit grandma.

Easily Confused

Spanish Days of the Week (lunes, martes...) vs Days vs. Dates

Learners mix up 'El lunes' (day) with 'El 1 de mayo' (date).

Spanish Days of the Week (lunes, martes...) vs Days vs. Time

Learners use 'el' for time (e.g., 'el 3:00').

Spanish Days of the Week (lunes, martes...) vs Days vs. Months

Learners use 'el' for months (e.g., 'el enero').

Common Mistakes

✗

En lunes

✓

El lunes

Learners often translate 'on' directly as 'en'.
✗

Lunes voy

✓

El lunes voy

Missing the article entirely.
✗

La lunes

✓

El lunes

Using feminine article for a masculine noun.
✗

Los luneses

✓

Los lunes

Adding -es to a word already ending in -s.
✗

El sábados

✓

El sábado

Mixing singular article with plural noun.
✗

Los domingos

✓

Los domingos

Correct, but learners often forget to pluralize weekend days.
✗

En los lunes

✓

Los lunes

Adding 'en' to a plural day.
✗

El lunes pasado

✓

El lunes pasado

Correct, but learners often add 'en' before it.
✗

El próximo de lunes

✓

El próximo lunes

Adding unnecessary prepositions.
✗

Los días de lunes

✓

Los lunes

Over-complicating the structure.
✗

En el lunes

✓

El lunes

Still using 'en' in complex sentences.
✗

Lunes, el cual...

✓

El lunes, el cual...

Forgetting the article after a comma.
✗

Los luneses

✓

Los lunes

Hyper-correction.

Sentence Patterns

___ lunes voy al trabajo.

No trabajo ___ viernes.

___ sábados descanso mucho.

___ lunes, ___ martes y ___ miércoles tengo clase.

Real World Usage

Social Media constant

¡Feliz lunes a todos!

Texting constant

¿Nos vemos el lunes?

Job Interview common

Puedo empezar el lunes.

Food Delivery common

Abierto los domingos.

Travel common

El vuelo sale el viernes.

Email very common

Le escribo el lunes.

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💡

Avoid 'en'

Never use 'en' for days. It's the #1 mistake.
⚠️

Weekend Plurals

Remember to add 's' to sábado and domingo.
🎯

Consistency

All days are masculine. You never need 'la' or 'las'.
💬

Habits

Use 'los' to sound like a native when talking about your weekly routine.

Smart Tips

Always pair the day with 'el'.

Nos vemos lunes. → Nos vemos el lunes.

Use 'los' to imply 'every'.

Lunes voy al gym. → Los lunes voy al gym.

Remember days are lowercase.

El Lunes. → El lunes.

Don't forget the 's' for plural.

Los sábado. → Los sábados.

Pronunciation

/ˈlu.nes/

Stress

Days ending in -s have stress on the penultimate syllable.

Question

¿Vas el lunes? ↗

Rising intonation for yes/no questions.

Memorize It

Mnemonic

Remember: 'El' is the key to the day, don't let 'on' get in your way!

Visual Association

Imagine a giant 'EL' sticker placed on every Monday on your calendar. It's so big you can't miss it.

Rhyme

For days of the week, don't use 'on', use 'el', and you'll be gone!

Story

Juan wakes up on Monday. He says, 'El lunes es un buen día.' He meets his friends on Tuesdays. He says, 'Los martes son mejores.' He never uses 'en'.

Word Web

elloslunesmartesmiércolesjuevesviernessábadodomingo

Challenge

Write down your schedule for the next 7 days using 'El' for each day.

Cultural Notes

In Spain, the work week is strictly Monday to Friday, and 'los lunes' often carries a connotation of 'back to work'.

In Mexico, business hours are often flexible, but the use of 'el' remains standard.

Argentines use the same grammar, but often use 'el' to refer to specific days in social planning.

Derived from Latin 'dies lunae' (day of the moon).

Conversation Starters

“

¿Qué haces el lunes?

“

¿Trabajas los sábados?

“

¿Cuál es tu día favorito?

“

¿Qué sueles hacer los domingos?

Journal Prompts

Describe your Monday routine.
What do you do on weekends?
Plan your next week.
Compare your work week to your weekend.

Common Mistakes

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

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Test Yourself

Fill in the blank with the correct article.

___ lunes voy al gimnasio.

✓ Correct! ✗ Not quite. Correct answer: El
Lunes is masculine singular.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: El lunes trabajo.
Requires the definite article.
Fix the error. Error Correction

Find and fix the mistake:

No trabajo en los lunes.

✓ Correct! ✗ Not quite. Correct answer: No trabajo los lunes.
Remove 'en'.
Order the words. Sentence Building

lunes / el / voy / cine / al

✓ Correct! ✗ Not quite. Correct answer: El lunes voy al cine.
Standard word order.
Pluralize the day. Conjugation Drill

El sábado ->

✓ Correct! ✗ Not quite. Correct answer: Los sábados
Weekend days add -s.
Match the English to Spanish. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: Los lunes
Plural recurring.
Is this true? True False Rule

All days of the week are masculine.

✓ Correct! ✗ Not quite. Correct answer: True
Yes, they are.
Complete the dialogue. Dialogue Completion

A: ¿Cuándo es la fiesta? B: ___ viernes.

✓ Correct! ✗ Not quite. Correct answer: El
Specific day.

Score: /8

Practice Exercises

8 exercises
Fill in the blank with the correct article.

___ lunes voy al gimnasio.

✓ Correct! ✗ Not quite. Correct answer: El
Lunes is masculine singular.
Choose the correct sentence. Multiple Choice

Which is correct?

✓ Correct! ✗ Not quite. Correct answer: El lunes trabajo.
Requires the definite article.
Fix the error. Error Correction

Find and fix the mistake:

No trabajo en los lunes.

✓ Correct! ✗ Not quite. Correct answer: No trabajo los lunes.
Remove 'en'.
Order the words. Sentence Building

lunes / el / voy / cine / al

✓ Correct! ✗ Not quite. Correct answer: El lunes voy al cine.
Standard word order.
Pluralize the day. Conjugation Drill

El sábado ->

✓ Correct! ✗ Not quite. Correct answer: Los sábados
Weekend days add -s.
Match the English to Spanish. Match Pairs

On Mondays

✓ Correct! ✗ Not quite. Correct answer: Los lunes
Plural recurring.
Is this true? True False Rule

All days of the week are masculine.

✓ Correct! ✗ Not quite. Correct answer: True
Yes, they are.
Complete the dialogue. Dialogue Completion

A: ¿Cuándo es la fiesta? B: ___ viernes.

✓ Correct! ✗ Not quite. Correct answer: El
Specific day.

Score: /8

Practice Bank

8 exercises
Complete the sequence Fill in the Blank

Lunes, martes, ___, jueves.

✓ Correct! ✗ Not quite. Correct answer: miércoles
Translate to Spanish Translation

On Sundays I visit my grandmother.

✓ Correct! ✗ Not quite. Correct answer: Los domingos visito a mi abuela.
Put the words in order Sentence Reorder

el / examen / es / jueves

✓ Correct! ✗ Not quite. Correct answer: el examen es jueves
Match the day with its English translation Match Pairs

Match the pairs

✓ Correct! ✗ Not quite. Correct answer: Viernes:Friday, Lunes:Monday, Sábado:Saturday, Jueves:Thursday
How do you say 'on Mondays'? Multiple Choice

Choose the correct plural form:

✓ Correct! ✗ Not quite. Correct answer: los lunes
Fix the capitalization Error Correction

Hoy es Sábado.

✓ Correct! ✗ Not quite. Correct answer: Hoy es sábado.
Which day comes after Friday? Fill in the Blank

Después del viernes es el ___.

✓ Correct! ✗ Not quite. Correct answer: sábado
Translate 'See you on Wednesday' Translation

Translate to Spanish:

✓ Correct! ✗ Not quite. Correct answer: Nos vemos el miércoles

Score: /8

FAQ (8)

It's a historical linguistic feature. All days in Spanish are masculine.

No, 'en' is for months or years, not days.

They follow the same rule but add an 's' in plural.

'El' for one day, 'los' for recurring.

No, in Spanish, days are lowercase unless at the start of a sentence.

Use 'El lunes pasado'.

Use 'Los lunes'.

No, the rule is very consistent.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

French high

le lundi

French uses 'le' for both specific and recurring, similar to Spanish.

German low

am Montag

German uses a prepositional contraction, not a simple article.

Japanese low

月曜日に (Getsuyōbi ni)

Japanese uses a particle, not an article.

Arabic low

في يوم الاثنين (fi yawm al-ithnayn)

Arabic uses a preposition.

Chinese low

周一 (zhōu yī)

Chinese is isolating and lacks grammatical articles.

English low

on Monday

English uses a preposition, Spanish uses an article.

Learning Path

Prerequisites

Previous
Spanish Numbers: 0 to 100 (Los números)
Next
Months of the Year in Spanish (los meses)

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