Korean Dictionary
How to say "Black Day" in Korean
“Black Day” in Korean is 블랙 데이 (pronounced "beullaek dei").
블랙 데이
beullaek dei
Usage & Context
블랙 데이 on April 14th is a uniquely Korean unofficial holiday where singles who did not receive gifts on Valentine's Day or White Day gather to eat jjajangmyeon (black bean paste noodles) and commiserate. The day has a humorous self-deprecating quality popular among young Koreans. 블랙 데이 reflects Korea's unique calendar of monthly themed romantic holidays.
Example Sentence
블랙 데이에 솔로인 친구들과 짜장면을 먹었어요.
On Black Day I ate jjajangmyeon with my single friends.
How to use 블랙 데이 naturally
Quick answer
The Korean word for “Black Day” is 블랙 데이, romanized as beullaek dei.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 블랙 데이.
Pronunciation Guide
Say "Beul-laek Dei." "Beul" sounds like the start of "bull" but with a clear 'l' sound at the end. "Laek" rhymes with "lack." "Dei" sounds exactly like the English word "day."
More Example Sentences
Friends joking about their single status on Black Day.
블랙 데이에는 솔로들끼리 모여서 짜장면을 먹는 게 국룰이지!
On Black Day, it's the unwritten rule for singles to gather and eat jjajangmyeon!
Someone planning their Black Day meal with a twist.
올해 블랙 데이에는 특별히 매운 짜장면을 먹어볼까?
Should I try especially spicy jjajangmyeon this Black Day?
Explaining unique Korean holidays to a foreigner.
한국에는 발렌타인 데이, 화이트 데이, 그리고 블랙 데이까지 있대.
They say Korea has Valentine's Day, White Day, and even Black Day.
Cultural Context
블랙 데이 (Black Day) is a uniquely Korean unofficial holiday on April 14th, following Valentine's Day (Feb 14) and White Day (Mar 14). It's a day for singles who didn't receive gifts on the previous romantic holidays to commiserate, often by eating jjajangmyeon (black bean paste noodles). The 'black' refers to the color of the noodles and the 'dark' mood of being single. It's a humorous, self-deprecating tradition popular among young Koreans, often seen in K-dramas or webtoons.
Editorial note
We review entries like 블랙 데이 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
블랙 데이에 짜장면 먹으러 갈래?
Want to go eat jjajangmyeon on Black Day?
올해도 블랙 데이는 솔로구나.
This year, Black Day I'm single again.
블랙 데이 기념으로 모이자!
Let's gather to commemorate Black Day!
Related Expressions
발렌타인 데이
ballentain dei
Valentine's Day
화이트 데이
hwaiteu dei
White Day
솔로
sollo
single person
짜장면
jjajangmyeon
black bean paste noodles
More Holidays & Festivals Words
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