Days of the Week in Spanish: Pronunciation Guide & Memory Tips

You probably learned the Spanish days of the week from a laminated poster in a classroom — lunes, martes, miércoles — and promptly forgot which day doesn’t get capitalized. It turns out those seven words carry the names of Roman gods, a moon goddess, and a Hebrew day of rest, and this guide explains why you should never write El Lunes with a capital letter in the middle of a sentence.

Number of days in a Spanish week: 7 (lunes to domingo) · Grammatical gender: Masculine · First day on Spanish calendars: Monday · Capitalization rule: Not capitalized in standard Spanish · Origin of names: Planets and Roman gods

Seven days, one pattern: every weekday name derives from a celestial body or a deity, and all are treated as masculine nouns in grammar. Here is the breakdown.

The implication: Spanish weekday names are far more transparent about their planetary roots than English ones. Five out of seven correspond to visible planets or Roman gods, making them a built-in mnemonic for anyone with a passing knowledge of mythology.

Five grammar facts, one key takeaway: days in Spanish behave like masculine nouns and never get a capital letter unless they start a sentence. This trips up many learners who carry over English capitalization habits.

What are the 7 days in Spanish week?

The list is uniform across all Spanish-speaking countries. No regional variation exists for the names themselves, though pronunciation of certain letters (like v in viernes) may vary.

• lunes — Monday (Real Academia Española (official language authority))
• martes — Tuesday
• miércoles — Wednesday
• jueves — Thursday
• viernes — Friday
• sábado — Saturday
• domingo — Sunday

Monday – lunes

• Derived from Latin dies Lunae (day of the Moon) — Berges Institute (Spanish language school)
• Masculine: el lunes
• Plural: los lunes

Tuesday – martes

• Named after Mars, the Roman god of war — Berges Institute (Spanish language school)
• Mnemonic: think of “martial” (war-like)

Wednesday – miércoles

• From dies Mercurii (Mercury) — Berges Institute (Spanish language school)
• Stress on the second syllable: mee-EHR-koh-lehs

Thursday – jueves

• From dies Iovis (Jupiter) — Berges Institute (Spanish language school)
• Pronounced HWEH-vehs (the ‘j’ is a soft guttural similar to English ‘h’)

Friday – viernes

• From Veneris dies (Venus) — Clozemaster (language learning platform)
• The ‘v’ is pronounced as a soft ‘b’ in many dialects, especially in Spain and parts of Latin America

Saturday – sábado

• From Latin sabbătum, itself from Hebrew Shabbat (rest day) — Berges Institute (Spanish language school)
• Stress on the first syllable: SAH-bah-doh

Sunday – domingo

• From Latin dies dominĭcus (Lord’s day) — Berges Institute (Spanish language school)
• Stress on the second-to-last syllable: doh-MEEN-goh

This foundational list gives any beginner the core vocabulary needed to talk about days in Spanish.

How to memorize days of the week in Spanish?

Four concrete techniques, one unifying principle: link each day to a planetary or religious anchor you already know.

1. Use mnemonics based on the planets — Associate lunes with “lunar” (moon), martes with Mars, miércoles with Mercury, jueves with Jupiter, viernes with Venus, sábado with Sabbath, domingo with Dominus (Lord). Source: Busuu (language learning platform)
2. Sing the days of the week song — Children across the Spanish-speaking world learn the days with a simple chant: “Lunes, martes, miércoles, jueves, viernes, sábado, domingo.” Search for “canción de los días de la semana” on YouTube — the repetitive melody locks in both the order and pronunciation.
3. Practice with flashcards — Use an app like Anki or a physical deck. Write the Spanish day on one side, the English day on the other. Include the article (el lunes) to reinforce gender.
4. Create a weekly routine in Spanish — Write your calendar in Spanish. For example: “Los lunes voy al gimnasio. Los martes estudio español.” This forces daily retrieval.

Applying these techniques daily will solidify the order and pronunciation within a week.

How do you pronounce the days of the week in Spanish?

Each day follows consistent Spanish stress rules: words ending in a vowel, -n, or -s are stressed on the second-to-last syllable unless marked with an accent. Here is the full guide with phonetic approximations.

• lunes (LOO-nehs) — stress on first syllable
• martes (MAR-tehs) — stress on first syllable
• miércoles (mee-EHR-koh-lehs) — stress on second syllable; note the written accent on the e
• jueves (HWEH-vehs) — stress on first syllable; the j is like English ‘h’
• viernes (VYER-nehs) — stress on first syllable; the v is a soft bilabial sound, like English ‘b’ in many dialects
• sábado (SAH-bah-doh) — stress on first syllable; written accent marks the stress
• domingo (doh-MEEN-goh) — stress on second syllable

Pronunciation guide for lunes

• Phonetic: LOO-nehs
• Mnemonic: “loon-ehs” — think of a loon (bird) on the moon
• Source: Busuu (language learning platform)

Pronunciation guide for martes

• Phonetic: MAR-tehs
• Mnemonic: “Mar-tes” — Mars + tes

Pronunciation guide for miércoles

• Phonetic: mee-EHR-koh-lehs
• Critical: three syllables, not “meer-coh-les”

Pronunciation guide for jueves

• Phonetic: HWEH-vehs
• The j is similar to English ‘h’ in “hot” but more guttural in northern Spain

Pronunciation guide for viernes

• Phonetic: VYER-nehs
• Dialect note: in many regions the v merges with b (bilabial) — Spanish Academy (online language school)

Pronunciation guide for sábado

• Phonetic: SAH-bah-doh
• Written accent on the first a

Pronunciation guide for domingo

• Phonetic: doh-MEEN-goh
• No written accent; stress falls on the second syllable by rule

Repeating these pronunciations aloud with the phonetic guides will train the ear and mouth to produce correct Spanish.

What are the days of the week in Spanish named after?

This is where the language reveals its Roman roots — and two outliers that break the pattern.

Roman planetary gods behind the names

Five weekdays correspond directly to Roman deities:

• Martes – Mars (war)
• Miércoles – Mercury (messenger)
• Jueves – Jupiter (king of gods)
• Viernes – Venus (love)
• Lunes – Luna (moon) – technically a goddess, not a god, but follows the planetary system

Why Saturday and Sunday are different

• Sábado comes from the Hebrew Shabbat via Latin sabbătum — Berges Institute (Spanish language school)
• Domingo comes from dies dominĭcus (the Lord’s day) — Berges Institute (Spanish language school)
• English uses Germanic equivalents: Saturday (Saturn’s day) and Sunday (Sun’s day), which diverge from the Spanish religious naming.

Linking English and Spanish weekday origins

Compare the two systems:

The pattern: both language families adopted the seven-day planetary week from the Romans, but while Germanic languages substituted Norse gods for the Roman ones on four days, Spanish kept the original Roman pantheon. The outliers (Saturday and Sunday) took a religious turn in Spanish, while English kept the celestial Saturn and Sun.

What does ‘qué es la fecha’ mean?

This phrase is a common way to ask for the date in Spanish, and it connects directly to the days of the week because the day name always precedes the date.

Breaking down ‘qué es la fecha’

• Qué = what
• es = is
• la fecha = the date
• Full translation: “What is the date?”

How to ask for the date in Spanish

More natural alternatives:

• ¿Cuál es la fecha de hoy? (What is today’s date?)
• ¿A qué día estamos? (What day is it?)

Using days of the week when giving the date

Spanish date format: [day], [number] de [month] de [year]

• Example: Hoy es lunes, 15 de marzo de 2024.
• The day of the week comes first, followed by the day number, the preposition de, the month, another de, and the year.

This structure is essential for travel, appointments, and everyday conversation in Spanish.

Confirmed facts

• Spanish weekday names derive from Latin and Roman gods — Berges Institute (Spanish language school)
• All weekdays are masculine in Spanish — QuillBot (writing assistant with Spanish coverage)
• Sábado and domingo come from Hebrew and Latin respectively — Berges Institute (Spanish language school)

What’s unclear

• Exact pronunciation of ‘v’ in viernes varies by region (bilabial vs labiodental) — Spanish Academy (online language school)
• Some sources claim the week starts on domingo in religious contexts, but civil calendars start on lunes — Vamos Spanish (language school in Argentina)
• The exact etymology of domingo as ‘Lord’s day’ is widely accepted, but the shift from Saturn’s day to Sabbath is less documented.

“The names of the days of the week in Spanish come from Latin and reflect the planetary deities.”

— Real Academia Española, official language authority

“The word sábado has its origin in the Hebrew ‘sabbath’, meaning a day of rest.”

— Joan Corominas, etymological dictionary (source cited in Berges Institute)

For the beginner who has just learned the seven days, the next step is to practice them in real sentences. Use the days with the verb ir (to go): “Los lunes voy al trabajo” (On Mondays I go to work). For those looking to deepen their cultural knowledge, explore Spanish months of the year and Spanish numbers 1-30 to build complete date expressions. And if you are planning a trip to a Spanish-speaking country, common Spanish phrases for beginners will help you ask for directions and order food with confidence.

Frequently asked questions

Learners can now confidently use the days of the week in Spanish in conversation and writing.