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Thai

หนึ่งวัน

Components

หนึ่ง
วัน

Pronunciation

nʉ̀ŋ wan

one day

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  1. 1 one day、a day

This common expression refers to a period or quantity of one day.

Learning notes

Explanation

หนึ่ง means “one,” and วัน means “day.” Together, หนึ่งวัน expresses one day as a duration or quantity. It belongs to the regular counting pattern หนึ่งวัน, สองวัน, สามวัน (“one day, two days, three days”). Depending on the context, it may refer to a calendar day or a practical one-day period rather than exactly 24 hours. Common patterns include แค่หนึ่งวัน (“only one day”), ภายในหนึ่งวัน (“within one day”), and เป็นเวลาหนึ่งวัน (“for one day”).

Usage

It is used when discussing time off, length of stay, travel schedules, how long work takes, waiting periods, deadlines, or daily rates. It is neutral and natural in both conversation and practical notices.

Caution

For “one day” meaning “on some day” or “someday,” วันหนึ่ง is usually used instead. หนึ่งวัน alone does not necessarily mean “all day long”; use ทั้งวัน for “all day” or หนึ่งวันเต็ม ๆ to emphasize a full day.

Differences from similar words

1 one day synonyms

  • วันหนึ่ง can mean “one day” in the sense of “on some day” or “someday.” In contrast, หนึ่งวัน normally presents one day as a duration or quantity.

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