Why Do Koreans Celebrate Hangeul Day on October 9?
Koreans celebrate Hangeul Day on October 9 to honor the Korean alphabet, Hangeul, and the day King Sejong the Great made it public. The king and his scholars finished the script in 1443 and announced it to the people in 1446 in a document called Hunminjeongeum, "The Correct Sounds for the Instruction of the People." October 9 is the modern calendar date linked to that proclamation, and today it is a national public holiday in South Korea.
Why a whole holiday for an alphabet?
Before Hangeul, Koreans wrote mainly in Classical Chinese characters. Learning thousands of characters took years, so reading and writing were largely limited to the educated elite. King Sejong wanted ordinary people to be able to write down their own words, file complaints and read important notices. Hangeul was his answer: a small set of letters designed so that someone could learn the basics in days rather than years.
That idea, a writing system created on purpose for everyone, is what Koreans celebrate. Hangeul is one of very few scripts in the world whose creator, date and purpose are clearly recorded, and the original explanatory text, the Hunminjeongeum Haerye, is listed in UNESCO's Memory of the World Register.
How the date became October 9
From "Gagya Day" to Hangeul Day
The first celebration was held in 1926 by a Korean language society during the Japanese colonial period, when the Korean language was under pressure. It was first called Gagyanal, after the first syllables beginners practiced (ga, gya). The name later changed to Hangeul Day. Early celebrations used a lunar-calendar date; the fixed solar date of October 9 was settled later, based on the record of when Hunminjeongeum was completed.
Lost and won back as a day off
Hangeul Day was a public holiday for decades, but in the early 1990s it was dropped from the list of days off, partly because businesses felt there were too many holidays. It stayed a commemoration day only. After years of campaigning by language groups and the public, it became a public holiday again from 2013. That is why some older Koreans remember a time when October 9 was a normal working day.
What makes Hangeul special
- Few letters: modern Hangeul uses 24 basic letters (14 consonants and 10 vowels); the original set had 28.
- Shapes with meaning: several consonants are drawn to suggest the shape of the mouth or tongue when making the sound, for example ㄱ (g/k) hints at the tongue touching the back of the mouth.
- Vowels from philosophy: the basic vowels are built from a dot (heaven), a flat line (earth) and a vertical line (a standing person).
- Letters stacked into blocks: letters are grouped into syllable blocks, so 한 (han) + 글 (geul) = 한글.
The result is a script many visitors can start reading in an afternoon. Even learning to sound out menu items and station names makes a trip to Korea feel very different.
What happens on Hangeul Day
On October 9, the government holds an official ceremony, and you will usually see events around Gwanghwamun Square in Seoul, home to the large statue of King Sejong. Typical activities include calligraphy and writing booths, exhibitions on the history of the script, and language-themed programs for children. Schools and many offices close, and it is a popular day for short trips, so trains and highways can be busy.
North Korea marks its own alphabet day on a different date, January 15, which shows how the history of the script is remembered differently on each side of the border.
Where visitors can learn about Hangeul in Seoul
- Gwanghwamun Square: the King Sejong statue, with an exhibition space about his life and achievements underneath the square.
- National Hangeul Museum: in Yongsan, next to the National Museum of Korea, focused on the history and design of the alphabet.
Programs and opening hours change, so please check the official websites before you go.
As LUMI from POPORO CITY likes to say: "Learn ten letters on the plane, and the signs start talking to you."
Quick tips
- October 9 is a public holiday: expect crowds at palaces, parks and trains; book transport early if you plan to travel.
- Learn the basic consonants and vowels before your trip; it helps with menus, maps and subway signs.
- Pair a visit to Gwanghwamun Square with nearby Gyeongbokgung Palace.
- Pick up a few useful words too; our 30 basic Korean travel phrases are a good start.
FAQ
Is Hangeul Day a public holiday in Korea?
Yes. October 9 has been a public holiday in South Korea again since 2013. Government offices, banks and schools close, while most shops, cafes and tourist sites stay open.
Who invented Hangeul?
King Sejong the Great of the Joseon Dynasty led its creation, working with scholars of his court. It was completed in 1443 and proclaimed in 1446.
How long does it take to learn to read Hangeul?
Many learners can sound out simple words after a few hours of practice. Understanding the words is a longer journey, but reading signs comes fast.
Why is it called "Hangeul"?
"Han" is often explained as meaning "great" or "Korean," and "geul" means "writing" or "script." The name became common in the early 20th century; the original name was Hunminjeongeum.
Is there anything about writing customs visitors should know?
Yes, a few. For example, many Koreans avoid writing a living person's name in red ink. Read more in why Koreans avoid writing names in red ink.