날짜 계산기
두 날짜 사이의 일수 또는 날짜에 년, 월, 주, 일을 더하고 빼는 계산을 합니다.
Select Calculation
Use this when you need the number of calendar days between two dates.
Use this to project a deadline by adding years, months, weeks, or days to a start date.
Use this to work backward from a target date by subtracting calendar units.
Result
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Result
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Result
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Select Calculation
Use this when you need the number of calendar days between two dates.
Use this to project a deadline by adding years, months, weeks, or days to a start date.
Use this to work backward from a target date by subtracting calendar units.
빠른 시작
자주 쓰는 활용 사례
Deadlines
add 14 days, 6 weeks, or 3 months to find a target date.
Trip planning
count how many calendar days sit between two dates.
Backtracking
subtract a preparation window from a target date.
활용 팁
제한 사항 및 호환성
개인정보 보호 및 보안
자주 묻는 질문
No. 2026-04-01 to 2026-04-29 is 28 days by default, or 29 days with inclusive mode.
If the target month has no 31st, the result moves to the last day of that month.
Not yet. This version handles plain calendar dates; business-day logic can be a later expansion.