Why are English days named what they are?

Two friends stood over a book in a library reading it and smiling
Reading time: 4 minutes

Ever wondered why Monday is called Monday or how Wednesday got its name? The names of the days of the week in English have fascinating origins, rooted in ancient history and steeped in mythology. Understanding these origins not only enriches our language ability but also provides intriguing insights into cultural heritage.

Origins of the days of the weeks names
Play
Privacy and cookies

By watching, you agree app can share your viewership data for marketing and analytics for one year, revocable by deleting your cookies.

Origins of the seven-day week

The concept of a seven-day week has ancient origins, tracing back to the Babylonians around 1500 BCE. The Babylonians, keen astronomers, divided their lunar cycle into four weeks of seven days each, aligning with the phases of the moon. This practice was later adopted by the ancient Greeks and Romans, who found the seven-day cycle practical and meaningful.

The ancient Hebrews' influence also played a crucial role in establishing the seven-day week. According to the biblical account of creation, God created the world in six days and rested on the seventh, establishing a divine precedent for a seven-day cycle. This tradition was deeply ingrained in Hebrew culture and religious practices.

By the 1st century CE, the Romans had formalized the seven-day week, integrating it into their calendar system. This structure, combining astronomical observations and religious traditions, eventually spread throughout the Roman Empire and beyond, becoming the foundation of the modern seven-day week we use today.

In the Arabic and Hebrew calendars, the day begins at sunset, which contrasts with the Swahili concept of the day starting at sunrise and the Western world, where the day starts at midnight. This highlights the cultural influences on how days are numbered and identified within these different calendrical systems.

Origins of days of the week

How did Monday get its name? Meaning of Monday

Monday is named after the Moon. The Old English word for Monday was ѴDzԲԻæ, which translates to "Moon's day". This naming convention is quite common across various languages; for instance, in Latin, it's dies Lunae, also meaning "day of the Moon".

Tuesday name origin

Tuesday is named after the Norse god (also known as Tyr), a god of war and sky. The Old English term վɱæ directly reflects this association. The connection to Mars, the Roman god of war, can also be seen in other languages, such as French (mardi).

Why is Wednesday called Wednesday?

Wednesday is named after (or Woden), the chief god in Norse mythology. The Old English ´ǻԱæ translates to "Woden's day". This day is associated with Mercury in Roman mythology, which is why it's called éDZ in Spanish and mercredi in French.

Thursday name meaning

Thursday is named in honor of , the Norse god of thunder. The term 'Thor's day' serves as the etymological basis for Thursday. In Old English, it was Þū԰æ (Thunor’s day). The link to Jupiter, the Roman king of gods and god of thunder, explains the name jeudi in French and jueves in Spanish.

Friday history and meaning

Friday is named after (also known as Frigga or Freya), the Norse goddess associated with love and beauty. The Old English term æ means "Frigg's day". In Roman mythology, this day is linked to Venus, the goddess of love, which is reflected in names like viernes in Spanish and vendredi in French.

Saturday name origin

Saturday is unique among the English day names as it retains its Roman origin, specifically named after the Roman god , the Roman god of wealth and time. The Old English æٱԱæ directly references this deity. Interestingly, in other Germanic languages, the name often refers to the Sabbath, such as Samstag in German.

Sunday - The sun's day

Sunday is named after the Sun. Icelandic uniquely retains 'only the Sun' as the name for Sunday, rejecting names derived from pagan gods. The Old English ܲԲԲԻæ translates to “Sun’s day”, reflecting its importance and reverence in various cultures. This name is consistent across many languages, highlighting the widespread significance of the Sun.

The importance of understanding day names etymology

Understanding the etymology of day names helps language learners grasp the historical context and deepens their appreciation of English. These names are more than just labels for days; they are windows into ancient beliefs, cultures and linguistic evolution. The influence of Greek and Latin names on the naming of the days of the week during the Greco-Roman tradition is particularly notable, as the classical planets from Hellenistic astrology played a significant role in this process.

Exploring the origins of the day names in English reveals a blend of mythology, history and language evolution. From the Moon to Norse gods to Roman deities, each name tells a story of cultural significance.

More blogs from app

  • A man with a headset sat at a laptop, with mini flags by him.

    What is the hardest language to learn?

    It's incredible to know that there are thousands of languages spoken across the world, each with its unique set of challenges for learners. A question that often pops up is: "Which language is the hardest to learn?". Today we take a closer look at this question and consider different factors that make learning a language challenging.

  • Teacher sat in front of a classroom pointing at a student with their hand up

    Teaching employability skills: Q&A

    By

    Preparing students for the modern world of work can be challenging; it's constantly adapting and changing which can be hard to keep track of. Today's post is a Q&A on the teaching of employability skills and the essential skills and qualities students need to thrive in the 21st century. offers insights to answer common questions and help you improve your language teaching skills.

    1. How can we make students see the value of employability skills when they prioritize traditional language skills? Any tips to bridge this gap?

    My advice is to push the issue back to the students by putting them in groups and asking each group to identify a different job/career that involves people working with others. Then ask "What would happen if this job was competitiveinstead of collaborative?" You may have to re-explain the concepts, but let students write a little story about a situation in which the workers suddenly all turn competitive.

    For example, It was chaos in the women's soccer/football game. All the members of the blue team suddenly became competitive. Each one still wanted to win, but each decided that she would shoot a ball into the other team's net. This included the goalie, who ran up to the front of the field and purposely shoved and tripped members of her team ….

    Or for more traditional jobs, In the middle of the operation the nurse pushed the doctor out of the way and picked up the instrument. The patient also wasn’t completely asleep, and he tried to do the operation himself, then …

    It's all absurd, of course, but it can lead into other tasks asking students why collaboration is so important in each job. Then, turning it back to language, what kinds of language does each profession require to collaborate? For soccer/football players, this includes shouted requests and commands:Pass the ball to me! Shoot!as well as hand and body gestures. Similarly, doctors require professional jargon:Pass me the scalpel, please.Rather thanGive me the pointy knife thing!

    2. Considering all the impact of tech, is there a clear future for employability for teachers?

    One hundred years ago, in 1923, Thomas Edison predicted that motion pictures would replace teachers and books. Since then, similar predictions have been made for radio, TV and computers. It hasn't happened, and one of the reasons is that we crave the human touch in our teaching and learning. I recently read. "When it comes to getting knowledge to stick, there may be no substitute for human relationships. … I've been to former students' weddings and baby showers and funerals of their parents," says Millard, the high school English teacher in Michigan. "I've hugged my students. I've high-fived my students. I've cried with my students. A computer will never do that. Ever, ever.”(Waxman, 2023, para. 21-22)

    But, that doesn’t mean teachers should stop learning about new technologies. We need to keep finding ways for them to help us and our language learners in the classroom. It can seem overwhelming, though, which is why I recommend shifting responsibility to students: “Do any of you know about ChatGPT? Yes? How do you think you could use it to help you learn?”

    3. How can we deal with collaboration in a competitive world?

    Although the world is in many ways competitive, there are countless examples of how students will do better by collaborating. Most of our students today won't be working in environments where they are competing against their co-workers. Instead, they'll be in teams and need critical thinking and negotiation skills to help them do so.

    One way forward is to ensure that your classroom features more collaborative activities. Get students working in pairs and groups on all their assignments, but also create a buddy system so students always have someone else to ask for help. For example, if they're having to read a text and come across difficulties, it's often easier for them to text or call a friend than to wait until the next class. After a few collaborative activities, discuss collaboration versus competition with students and ask them which they prefer. Also, ask them for examples of what their friends and family members do regarding collaborating and competing.

    As always, it's better to lead students to understand a new idea than to tell them.

    If you want to learn more, make sure to check out Ken's webinar here. If you'd like to learn more about teaching future skills to students check out21st-century skills and the English language classroom.

  • A classroom with students sat at desks and one student stood at the front with the teacher

    Forward-looking reflective teaching

    By Ehsan Gorji

    Ehsan Gorji is an Iranian teacher, teacher trainer and teacher educator. He also designs strategic plans, devises study syllabuses, runs quality-check observations, and develops materials and tests for different language institutes and schools in the country. Ehsan has been a GSE Thought Leader and Expert Rater since 2016.

    Reflective teaching, despite it sounding modern and sophisticated, has not yet become a common practice among English language teachers. However, the experientialproposed byoffers a practical approach for teachers. The cycle involves teaching a lesson, reflecting on "what we did" and "how we did them," and then using that reflection to improve future English classes. By using this approach, teachers can prepare for better teaching in the long term.