Korean Dictionary

How to say "Lose Track of Time" in Korean

Lose Track of Time” in Korean is 시간 가는 줄 모르다 (pronounced "Sigan Ganeun Jul Moreuda").

시간 가는 줄 모르다

Sigan Ganeun Jul Moreuda

Practice speaking with Koko AI →

Usage & Context

Losing track of time means becoming so absorbed in an activity that you forget how much time has passed. This is a common experience during Korean gaming, hobbies, and social gatherings.

Example Sentence

게임을 하다 보면 시간 가는 줄 몰라요.

When playing games I lose track of time.

How to use 시간 가는 줄 모르다 naturally

Quick answer

The Korean word for “Lose Track of Time” is 시간 가는 줄 모르다, romanized as Sigan Ganeun Jul Moreuda.

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 시간 가는 줄 모르다.

Pronunciation Guide

시간 (Sigan) sounds like 'shee-gahn'. 가는 (Ganeun) is 'gah-neun', with 'gah' like 'garden' and 'neun' like 'noon' but with a shorter 'oo'. 줄 (Jul) is like 'jool'. 모르다 (Moreuda) is 'moh-roo-dah', with 'moh' like 'moan', 'roo' like 'room' (but shorter), and 'dah' like 'dah'. The 'ㄹ' in '줄' often sounds like an 'l' when followed by '모르다'.

Formal & Casual Forms

Formal (존댓말)

시간 가는 줄 모릅니다

Sigan Ganeun Jul Moreumnida

Formal declarative form, used in polite or formal speech/writing.

More Example Sentences

Someone talking about binge-watching a captivating K-drama.

이 드라마는 너무 재밌어서 시간 가는 줄 몰랐어.

This drama was so interesting that I lost track of time.

Realizing how much time has passed during a lively social gathering.

친구들과 수다 떨다 보니 시간 가는 줄 몰랐네요.

Chatting with friends, I lost track of time.

Describing deep immersion and enjoyment in a new passion.

새로운 취미에 빠져서 시간 가는 줄 모르고 있어요.

I'm so absorbed in my new hobby that I'm losing track of time.

Cultural Context

This phrase is incredibly common in daily Korean conversation, especially when discussing hobbies, entertainment (like K-dramas or gaming), or deep work. It conveys a sense of being deeply immersed and enjoying an activity so much that one becomes oblivious to the passage of time. It's often used with a slightly surprised or even apologetic tone when realizing how much time has actually passed.

Editorial note

We review entries like 시간 가는 줄 모르다 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

시간 가는 줄 몰랐네.

I didn't realize how much time had passed.

시간 가는 줄 모르고 놀았어.

I played without realizing how much time had passed.

시간 가는 줄 모르고 일했어.

I worked without realizing how much time had passed.

Related Expressions

푹 빠지다

Puk ppajida

To be deeply absorbed/immersed

정신없이 하다

Jeongsin-eopsi hada

To do something frantically/without thinking (can imply losing track of time)

밤새다

Bamsaeda

To stay up all night

시간이 쏜살같다

Sigani sson-salgatda

Time flies like an arrow

More Idioms & Proverbs Words

Master Korean with AI-Powered Learning

Practice Lose Track of Time and 10,000+ words with native pronunciation and AI conversation.

koko ai

Learn Korean - AI Tutor

10,000+ words with native voice