Phrase guide

one o'clock

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The start of the second hour of the day; 1:00 a.m. (01:00).

Definition source: English Wiktionary via Wiktextract

Qualifier: In both the 12-hour clock and the 24-hour clock

Examples

  • The bar closes at one o'clock (= "The bar closes at 1:00 a.m.").

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The start of the fourteenth hour of the day; 1:00 p.m. (13:00).

Definition source: English Wiktionary via Wiktextract

Qualifier: Only in the 12-hour clock

Examples

  • The next train comes at one o'clock (= "The next train comes at 13:00").

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A position ahead and slightly rightward (horizontal clock orientation) or almost directly above (vertical clock orientation) (from the location of the 1 mark on a clock face)

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • We've got a bogey at one o'clock.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A dandelion.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

39 source translations are retained for this English entry.

  • Arabic: اَلسَّاعَة اَلْوَاحِدَة — the start of the second hour
  • Belarusian: гадзі́на (hadzína) — the start of the second hour
  • Belarusian: пе́ршая (pjéršaja) — the start of the second hour
  • Bulgarian: еди́н часа́ (edín časá) — the start of the second hour
  • Catalan: la una — the start of the second hour
  • Chinese Cantonese: 一點 /一点 (jat1 dim2) — the start of the second hour
  • Chinese Cantonese: 一點鐘 /一点钟 (jat1 dim2 zung1) — the start of the second hour
  • Chinese Mandarin: 一點鐘 /一点钟 (yī diǎnzhōng) — the start of the second hour
  • Chinese Mandarin: 一點 /一点 (yī diǎn) — the start of the second hour
  • Chinese Mandarin: 一時 /一时 (yī shí) — the start of the second hour
  • Ewe: ga ɖeka — the start of the second hour
  • Finnish: yksi — the start of the second hour
  • Finnish: kello yksi — the start of the second hour
  • French: une heure — the start of the second hour
  • German: ein Uhr — the start of the second hour
  • Greek: μία η ώρα (mía i óra) — the start of the second hour
  • Hindi: एक बजा (ek bajā) — the start of the second hour
  • Icelandic: klukkan eitt — the start of the second hour
  • Irish: a haon a chlog — the start of the second hour
  • Japanese: 一時 (ichi-ji) — the start of the second hour
  • Korean: 한시 (hansi) — the start of the second hour
  • Latin: hora prima — the start of the second hour
  • Macedonian: еден часот (eden časot) — the start of the second hour
  • Navajo: tʼááłáhádi azlį́į́ʼ — the start of the second hour
  • Ojibwe: ingo-diba'igane — the start of the second hour
  • Persian: ساعت یک (sâ'at yek) — the start of the second hour
  • Polish: pierwsza — the start of the second hour
  • Portuguese: uma hora — the start of the second hour
  • Russian: час (čas) — the start of the second hour
  • Russian: оди́н час (odín čas) — the start of the second hour
  • Spanish: la una — the start of the second hour
  • Swedish: klockan ett — the start of the second hour
  • Thai: หนึ่งนาฬิกา (nèung naalígaa) — the start of the second hour
  • Turkish: saat bir — the start of the second hour
  • Ukrainian: годи́на (hodýna) — the start of the second hour
  • Ukrainian: пе́рша (pérša) — the start of the second hour
  • Urdu: ایک بجا (ek bajā) — the start of the second hour
  • Vietnamese: một giờ — the start of the second hour
  • Welsh: un o'r gloch — the start of the second hour