Korean Numbers: Telling Time (Mixed System)

Korean time uses BOTH systems: Native Korean for hours (한 시, 두 시, 세 시) and Sino-Korean for minutes (일 분, 이 분, 삼 분). This is the trickiest part of K...

The Rule

Korean time uses BOTH systems: Native Korean for hours (한 시, 두 시, 세 시) and Sino-Korean for minutes (일 분, 이 분, 삼 분). This is the trickiest part of Korean numbers. Korean has TWO completely separate number systems — Native Korean (하나, 둘, 셋) and Sino-Korean (일, 이, 삼). English speakers must learn WHEN to use which system, because mixing them up is a common and noticeable mistake.

Why English Speakers Get It Wrong

English has one number system. Korean has two, and you must pick the RIGHT one depending on what you're counting. Using Sino-Korean where Native Korean is required (or vice versa) sounds as wrong to Koreans as saying "I have three-th cats" sounds in English. Key numbers for this topic: • 한 시 (han si) = 1 o'clock • 삼십 분 (samsip bun) = 30 minutes

How It Works

Korean time uses BOTH systems: Native Korean for hours (한 시, 두 시, 세 시) and Sino-Korean for minutes (일 분, 이 분, 삼 분). This is the trickiest part of Korean numbers. Examples: • 지금 세 시 이십 분이에요. (jigeum se si isip bunieyo.) — "It's 3:20 now." • 두 시 삼십 분에 만나요. (du si samsip bune mannayo.) — "Let's meet at 2:30." Hours = Native Korean (한 시, 두 시... 열두 시). Minutes = Sino-Korean (일 분, 이 분... 오십구 분). This mixing exists because traditional Korean timekeeping used native numbers, but minute precision came later with Chinese-influenced clocks.

Real Examples

• 지금 세 시 이십 분이에요. (jigeum se si isip bunieyo.) — "It's 3:20 now." • 두 시 삼십 분에 만나요. (du si samsip bune mannayo.) — "Let's meet at 2:30."

Common Mistakes

❌ Using the wrong number system for the context ✅ Telling Time (Mixed System) uses both systems numbers → Each context has a fixed number system. Memorize which system goes with which context. ❌ Forgetting the shortened forms (하나→한, 둘→두, etc.) ✅ Native Korean numbers 1-4 change form before counters → This is mandatory, not optional. 하나 개 is wrong; 한 개 is correct.

Quick Tip

Hours = Native Korean (한 시, 두 시... 열두 시). Minutes = Sino-Korean (일 분, 이 분... 오십구 분). This mixing exists because traditional Korean timekeeping used native numbers, but minute precision came later with Chinese-influenced clocks. Practice tip: Pick one number context (like ordering food or telling time) and drill it until it's automatic. Don't try to learn both systems at once — master one usage scenario at a time.

Hours = Native Korean (한 시, 두 시... 열두 시). Minutes = Sino-Korean (일 분, 이 분... 오십구 분). This mixing exists because traditional Korean timekeeping used native numbers, but minute precision came later with Chinese-influenced clocks.

Examples

지금 세 시 이십 분이에요. — jigeum se si isip bunieyo. — It's 3:20 now.

두 시 삼십 분에 만나요. — du si samsip bune mannayo. — Let's meet at 2:30.