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A weeks between dates calculator counts the number of full and partial weeks separating two dates. Used for pregnancy tracking, project planning, subscription billing, and event scheduling.

공식

weeks = days_between / 7 (integer or decimal depending on requirement)
start
Start date (date) — Beginning date
end
End date (date) — Ending date
weeks
Weeks between (weeks) — Number of calendar weeks (may be decimal)

단계별 가이드

  1. 1Calculate total calendar days between dates
  2. 2Full weeks = floor(days ÷ 7)
  3. 3Remaining days = days mod 7
  4. 4Partial weeks = total days ÷ 7 (decimal)

풀어진 예시

입력
14 days apart
결과
2 full weeks, 0 remaining days
입력
40 weeks pregnant
결과
280 days = full term
입력
1 year = 365 days
결과
52 full weeks, 1 remaining day

자주 묻는 질문

What is a calendar week?

Generally 7 calendar days. ISO weeks are standardised Monday–Sunday, with specific rules for week 1.

How many complete weeks between two dates?

Divide total days by 7 and round down. Example: 15 days = 2 complete weeks plus 1 day.

How are partial weeks counted?

Depends on context. For billing or planning, partial weeks are often counted as full weeks. Check requirements.

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