월간 (wol-gan, wolgan) · 연간 (yeon-gan, yeongan)
월간 means 'monthly' (one month duration), while 연간 means 'annual' (one year duration); the key difference is the time unit.
One lane per word — no nested boxes, just the gist.
A period of one month or something done on a monthly basis
When to use
monthly statistics, monthly magazine, monthly report, monthly repetition
The nuance
월간 always refers to a one-month period and is used for monthly statistics, monthly magazines, monthly reports, etc., where the measurement or repetition is based on a month.
A period of one year or something done on an annual basis
When to use
annual sales, annual plan, annual event, one-year total
The nuance
연간 always refers to a one-year period and is used for annual sales, annual plans, annual events, etc., indicating totals or repetitions over one year.
월간 매출 보고서를 작성했습니다.
wol-gan mae-chul bo-go-seo-reul jak-seong-haess-seup-ni-da., wol gan mae chul bo go seo reul jak seong haess seup ni da.
월간 is appropriate because it refers to sales within one month.
연간 매출 보고서를 작성했습니다.
yeon-gan mae-chul bo-go-seo-reul jak-seong-haess-seup-ni-da., yeon gan mae chul bo go seo reul jak seong haess seup ni da.
연간 is appropriate because it refers to sales within one year.
월간 행사에 참여했습니다.
wol-gan haeng-sa-e cham-yeo-haess-seup-ni-da., wol gan haeng sa e cham yeo haess seup ni da.
월간 is correct if the event occurs monthly.
연간 행사에 참여했습니다.
yeon-gan haeng-sa-e cham-yeo-haess-seup-ni-da., yeon gan haeng sa e cham yeo haess seup ni da.
연간 is correct if the event occurs annually.
월간 매출은 1억 원입니다.
wol-gan mae-chul-eun 1eok won-ip-ni-da., wol gan mae chul eun 1eok won ip ni da.
월간 is correct because it refers to monthly sales.
연간 매출은 1억 원입니다.
yeon-gan mae-chul-eun 1eok won-ip-ni-da., yeon gan mae chul eun 1eok won ip ni da.
연간 is correct because it refers to annual sales.
이번 달 연간 보고서를 제출하세요.
i-beon dal yeon-gan bo-go-seo-reul je-chul-ha-se-yo., i beon dal yeon gan bo go seo reul je chul ha se yo.
‘This month’ conflicts with ‘annual’; use 월간 (monthly report) instead.
연간 월간 잡지를 구독 중입니다.
yeon-gan wol-gan jap-ji-reul gu-dok jung-ip-ni-da., yeon gan wol gan jap ji reul gu dok jung ip ni da.
‘Annual’ and ‘monthly’ cannot be combined; choose one period.
A magazine published every month is called?
Expression for total sales over one year?
A report that repeats every month?
