一日

Chinese

		one; single; a one; single; a; (before verbs) as soon as, once; (before a noun) entire (family, etc.)	day; sun; date day; sun; date; day of the month; Japan (abbrev.)
simp. and trad. (一日)		一	日

Pronunciation

• Mandarin

  (Pinyin): yīrì

  (Zhuyin): ㄧ ㄖˋ

• Cantonese (Jyutping): jat¹ jat⁶
• Hakka (Sixian, PFS): yit-ngit
• Northern Min (KCR): cì-nì
• Eastern Min (BUC): siŏh-nĭk / ék-nĭk
• Southern Min

  (Hokkien, POJ): chi̍t-ji̍t / chi̍t-li̍t / chi̍t-gi̍t

  (Teochew, Peng'im): zêg⁸ rig⁸

---

• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: yīrì [Phonetic: yírì]
    • Zhuyin: ㄧ ㄖˋ
    • Tongyong Pinyin: yirìh
    • Wade–Giles: i¹-jih⁴
    • Yale: yī-r̀
    • Gwoyeu Romatzyh: iryh
    • Palladius: ижи (iži)
    • Sinological IPA ^(key): /i⁵⁵⁻³⁵ ʐ̩⁵¹/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: jat¹ jat⁶
    • Yale: yāt yaht
    • Cantonese Pinyin: jat⁷ jat⁹
    • Guangdong Romanization: yed¹ yed⁶
    • Sinological IPA ^(key): /jɐt̚⁵ jɐt̚²/
• Hakka
  • (Northern Sixian, incl. Miaoli)
    • Pha̍k-fa-sṳ: yit-ngit
    • Hakka Romanization System: id` ngid`
    • Hagfa Pinyim: yid⁵ ngid⁵
    • Sinological IPA: /it̚² ŋit̚²/
  • (Southern Sixian, incl. Meinong)
    • Pha̍k-fa-sṳ: yit-ngit
    • Hakka Romanization System: (r)id` ngid`
    • Hagfa Pinyim: yid⁵ ngid⁵
    • Sinological IPA: /(j)it̚² ŋit̚²/
• Northern Min
  • (Jian'ou)
    • Kienning Colloquial Romanized: cì-nì
    • Sinological IPA ^(key): /t͡si⁴² ni⁴²/
• Eastern Min
  • (Fuzhou)
    • Bàng-uâ-cê: siŏh-nĭk / ék-nĭk
    • Sinological IPA ^(key): /suoʔ⁵⁻³³ nˡiʔ⁵/, /iʔ²⁴⁻²¹ nˡiʔ⁵/

Note:

• siŏh-nĭk - vernacular;
• ék-nĭk - literary.

• Southern Min
  • (Hokkien: Zhangzhou, Kaohsiung, Tainan, Taichung, Yilan, Hsinchu, Sanxia, Magong)
    • Pe̍h-ōe-jī: chi̍t-ji̍t
    • Tâi-lô: tsi̍t-ji̍t
    • Phofsit Daibuun: cidjit
    • IPA (Zhangzhou): /t͡sit̚¹²¹⁻²¹ d͡zit̚¹²¹/
    • IPA (Yilan): /t͡sit̚⁵⁻² d͡zit̚⁵/
    • IPA (Tainan): /t͡sit̚⁴⁻¹ d͡zit̚⁴/
    • IPA (Kaohsiung): /t͡sit̚⁴⁻³² zit̚⁴/
  • (Hokkien: Xiamen, Quanzhou, Taipei, Tainan, Hsinchu, Lukang, Kinmen, Jinjiang, Philippines)
    • Pe̍h-ōe-jī: chi̍t-li̍t
    • Tâi-lô: tsi̍t-li̍t
    • Phofsit Daibuun: cidlit
    • IPA (Quanzhou, Jinjiang, Philippines): /t͡sit̚²⁴⁻² lit̚²⁴/
    • IPA (Xiamen, Taipei): /t͡sit̚⁴⁻³² lit̚⁴/
    • IPA (Lukang): /t͡sit̚³⁵⁻² lit̚³⁵/
    • IPA (Tainan): /t͡sit̚⁴⁻¹ lit̚⁴/
    • IPA (Kinmen): /t͡sit̚⁵⁴⁻³² lit̚⁵⁴/
  • (Hokkien: Taichung)
    • Pe̍h-ōe-jī: chi̍t-gi̍t
    • Tâi-lô: tsi̍t-gi̍t
    • Phofsit Daibuun: cidgit
  • (Teochew)
    • Peng'im: zêg⁸ rig⁸
    • Pe̍h-ōe-jī-like: tse̍k ji̍k
    • Sinological IPA ^(key): /t͡sek̚⁴⁻² d͡zik̚⁴/

Noun

(deprecated template usage) 一日

1. (literary or dialectal) one day

Synonyms

• 一天 (yītiān)

Derived terms

(deprecated template usage)

---

Japanese

Etymology 1

Kanji in this term
一	日
ついたち
Grade: 1	Grade: 1
jukujikun

/tuki tati/ → /t͡suitat͡ɕi/

Originally a compound of 月 (tsuki, “moon; month”) +‎ 立ち (tachi, “standing; starting, occurring”, the 連用形 (ren'yōkei, “continuative or stem form”) of verb 立つ (tatsu, “to stand up; to start, to occur”)).

Alternative forms

• 朔日, 朔, 1日

Noun

一日(ついたち) • (tsuitachi) 

1. the first day of the month (solar or lunar calendar)

Usage notes

The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Derived terms

Derived terms

• 朔日(ついたち)丸(がん) (tsuitachigan): a common kind of contraceptive in the Edo period, taken on the first of every month
• 朔日(ついたち)草(そう) (tsuitachisō): alternate name for 福(ふく)寿(じゅ)草(そう) (fukujusō): pheasant's eye or adonis
• 朔日(ついたち)降(ぶ)り (tsuitachiburi): rainfall or snowfall on the first day of the month
• 朔日(ついたち)松(まつ) (tsuitachimatsu): a ceremonial potted pine tree placed at the household gate at the New Year
• 朔日(ついたち)道(みち) (tsuitachimichi), 朔日(ついたち)路(みち) (tsuitachimichi): a ceremonial clearing of a path to the family grave in preparation for the Bon Festival

Etymology 2

Kanji in this term
一	日
いち Grade: 1	にち Grade: 1
on'yomi

From Middle Chinese 一日 (ʔiɪt̚ ȵiɪt̚, literally “one + day”). Compare modern Hakka reading yit-ngit.

The goon reading, so likely the initial borrowing.

Alternative forms

• 1日

Pronunciation

• When used as a modifier, the term takes pitch accent pattern 0.

Noun

一(いち)日(にち) • (ichinichi) 

1. one day, 24 hours

   一(いち)日(にち)を過(す)ごす

   ichinichi o sugosu

   to spend a day

   • 1997 December 12, Abiko, Miwa, “みかん・絵日記　おはなし⑦ [Mikan Picture Diary: Story #7]”, in (deprecated template usage) みかん・絵日記 [Mikan Picture Diary], volume 2 (fiction), Tokyo: Hakusensha, page 14:

     充(じゅう)実(じつ)した一(いち)日(にち)でしたね♡お父(とう)さん

     Jūjitsushita ichinichi deshita ne ♡ otō-san

     What a fun-filled day ♡ right honey?

2. the daytime, the period from dawn until dusk
3. (figurative) a short period of time

   ローマは一日(いちにち)にして成(な)らず

   rōma wa ichinichi ni shite narazu

   Rome wasn't built in a day

4. one day, someday, an unspecified day
5. the first day of the month

Usage notes

The ichinichi reading appears to be somewhat more common than synonymous ichijitsu below. There may be dialectal differences in usage patterns.

The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Derived terms

Derived terms

• 一日一善(いちにちいちぜん) (ichinichīchizen)
• 一日一日(いちにちいちにち) (ichinichīchinichi)
• 一日一夜(いちにちいちや) (ichinichīchiya)
• 一日置(いちにちお)き (ichinichioki)
• 一日経(いちにちきょう) (ichinichikyō): dead memorial service where many gather to transcribe a sutra in one day
• 一(いち)日(にち)三(さん)秋(しゅう) (ichinichisanshū)
• 一(いち)日(にち)千(せん)秋(しゅう) (ichinichisenshū)
• 一日路(いちにちじ) (ichinichiji)
• 一日中(いちにちじゅう) (ichinichijū)
• 一日片時(いちにちへんじ) (ichinichihenji)
• 一日増(いちにちま)し (ichinichimashi)

Etymology 3

Kanji in this term
一	日
いち Grade: 1	じつ Grade: 1
on'yomi

Ultimately from Middle Chinese 一日 (ʔiɪt̚ ȵiɪt̚, literally “one + day”). Compare modern Min Nan reading chi̍t-ji̍t.

This reading uses the goon for the first character and the kan'on for the second character, suggesting a shift in reading after the initial borrowing.

Pronunciation

• When used as a modifier, the term takes pitch accent pattern 0.

Noun

一(いち)日(じつ) • (ichijitsu) 

1. (literary) one day, 24 hours
2. (literary) the daytime, the period from dawn until dusk
3. (literary) (figurative) a short period of time

Usage notes

The synonymous ichinichi reading appears to be somewhat more common. There may be dialectal differences in usage patterns.

The tsuitachi reading is the most common for the “first day of the month” sense when referring to dates.

Derived terms

Derived terms

• 一(いち)日(じつ)三(さん)秋(しゅう) (ichijitsusanshū)
• 一(いち)日(じつ)千(せん)秋(しゅう) (ichijitsusenshū)

Etymology 4

Kanji in this term
一	日
いつ > いっ Grade: 1	ひ > ぴ Grade: 1
jūbakoyomi

Compound of 一 (ichi, “one”, on'yomi, or Chinese-derived reading) +‎ 日 (hi, “day”, kun'yomi, or native-Japanese reading).

Alternative forms

• 1日

Noun

一(いっ)日(ぴ) • (ippi) ^{←いつぴ (itupi)?}

1. (rare) the first day of the month

Usage notes

This reading appears to be quite rare. There may be dialectal differences in usage patterns.

Etymology 5

Kanji in this term
一	日
ひと Grade: 1	ひ Grade: 1
kun'yomi

Compound of 一 (hito, “one”) +‎ 日 (hi, “day”). Appears in The Tale of Genji of the early 1000s CE.

Alternative forms

• 1日

Noun

一(ひと)日(ひ) • (hitohi) 

1. (obsolete) one day, 24 hours
2. (obsolete) the daytime, the period from dawn until dusk

Etymology 6

Kanji in this term
一	日
ひと Grade: 1	ひ > え Grade: 1
irregular

/hitohi/ → /hitohe/ → /hitoe/

Shift in pronunciation from hitohi above.

Alternative forms

• 1日

Noun

一(ひと)日(え) • (hitoe) ^{←ひとへ (fitofe)?}

1. (rare, obsolete) (all senses appear to be identical as for hitohi above)