# 刑事訴訟法 / Code of Criminal Procedure — 第五十五条 (Article 55)

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- Law: 刑事訴訟法 (Code of Criminal Procedure), 昭和二十三年法律第百三十一号
- English title "Code of Criminal Procedure": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第五十五条 (Article 55) — address `art-55`
- Text in force since: 2026-10-20
- URL (the page that opens at this provision): https://japanlaw.org/ja/code-of-criminal-procedure/art-55
- e-Gov law ID: 323AC0000000131 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page.
- Every provision below carries its address and its URL on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

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### 第五十五条
<sup>art-55 · https://japanlaw.org/ja/code-of-criminal-procedure/art-55</sup>

  **第一項**  期間の計算については、時で計算するものは、即時からこれを起算し、日、月又は年で計算するものは、初日を算入しない。但し、時効期間の初日は、時間を論じないで一日としてこれを計算する。
  <sup>art-55/par-1 · https://japanlaw.org/ja/code-of-criminal-procedure/art-55/par-1</sup>
  In the calculation of time periods, those that are calculated by hours begin to run immediately, and those that are calculated by days, months or years do not include the first day; provided however, that the first day of a period of statute of limitations is included as one day irrespective of the hours of that day.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  月及び年は、暦に従つてこれを計算する。
  <sup>art-55/par-2 · https://japanlaw.org/ja/code-of-criminal-procedure/art-55/par-2</sup>
  Months and years are calculated in accordance with the calendar.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第三項**  期間の末日が日曜日、土曜日、国民の祝日に関する法律（昭和二十三年法律第百七十八号）に規定する休日、一月二日、一月三日又は十二月二十九日から十二月三十一日までの日に当たるときは、これを期間に算入しない。ただし、時効期間については、この限りでない。
  <sup>art-55/par-3 · https://japanlaw.org/ja/code-of-criminal-procedure/art-55/par-3</sup>
  When the last day of a time period falls on a Sunday, Saturday, a national holiday prescribed in the Act Concerning National Holidays (Act No. 178 of 1948), January 2nd, January 3rd or December 29th - 31st, it is not included in the time period; provided however, that this does not apply to the period of statute of limitations.
  <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "When the last day of a time period falls on a Sunday, Saturday, a national holiday prescribed in the Act Concerning National Holidays (Act No. 178 of 1948), January 2nd, January 3rd or December 29th - 3lst, it is not included in the time period; provided however, that this does not apply to the period of statute of limitations." — https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb</sup>

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of the Code of Criminal Procedure, written 2026-11-06
- e-Gov 法令検索, Digital Agency (デジタル庁) — 刑事訴訟法 — the text in force from 2026-10-20 (https://laws.e-gov.go.jp/law/323AC0000000131/20261020_508AC0000000067), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure (刑事訴訟法), Article 55, paragraph (3) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Criminal Procedure — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/3739/tb), retrieved 2026-11-06
- This site's parser, version 225 — 刑事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-11-06
