Korean Counter 월: How to Count months of the year

Use Sino-Korean numbers with 월 to count calendar months.

The Rule

월 is the counter for months of the year: calendar months. In Korean, you can't just say a number + noun. You MUST use a counter word between them. This is like English "two SHEETS of paper" or "three CUPS of coffee" — except Korean does this for EVERYTHING. Even "three apples" needs a counter: 사과 세 개.

Why English Speakers Get It Wrong

English only uses counters for uncountable nouns ("a glass of water", "a piece of cake"). Korean uses counters for ALL nouns — even ones English counts directly. The second trap: Korean has TWO number systems. 월 uses Sino-Korean (일, 이, 삼...) numbers. Using the wrong system is a common mistake that sounds immediately wrong to Korean ears.

How It Works

Pattern: Noun + Number + 월 Sino-Korean numbers: 일(1), 이(2), 삼(3), 사(4), 오(5), 육(6), 칠(7), 팔(8), 구(9), 십(10) The counter 월 comes right after the number. The noun can come before or after the number+counter, but before is more natural in conversation.

Real Examples

• 저는 칠월에 태어났어요. (jeoneun chirwore taeeonateoyo.) — "I was born in July." [칠 = sino 7] • 십이월은 겨울이에요. (sipiworeun gyeourieyo.) — "December is winter." [십이 = sino 12]

Common Mistakes

❌ Using native Korean numbers with 월 ✅ Use Sino-Korean numbers: 저는 칠월에 태어났어요. → 월 always takes Sino-Korean numbers. Mixing number systems is one of the most common counter mistakes. ❌ Saying the number without a counter (e.g., "사과 세") ✅ Always include the counter: 저는 칠월에 태어났어요. → Dropping the counter sounds incomplete in Korean, like saying "three of" without finishing the phrase in English.

Quick Tip

Start with the 5 most common counters: 개 (things), 명 (people), 마리 (animals), 잔 (cups), 병 (bottles). Once these are automatic, add 월 to your toolkit. Practice counting things you see daily: "커피 두 잔", "사람 세 명". The more you use counters in real situations, the faster they become natural.

월 = months of the year. Uses Sino-Korean numbers.

Examples

저는 칠월에 태어났어요. — jeoneun chirwore taeeonateoyo. — I was born in July.

십이월은 겨울이에요. — sipiworeun gyeourieyo. — December is winter.