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Thai

Pronunciation

at [formal location]

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  1. 1 at [formal location]、in [formal location]、on [formal location]
  2. 2 as of、at [a point in time]、on [a date]

A formal preposition that marks a specific place or point in time, roughly “at” or “as of.” It is common in written notices, official documents, reports, and invitations rather than everyday conversation.

1

at [formal location]、in [formal location]、on [formal location]

Preposition⭐️2 Not often used Literary

Marks a specific location in a formal or written style, often for venues, offices, counters, or official places.

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2

as of、at [a point in time]、on [a date]

Preposition⭐️2 Not often used Literary

Marks a reference point in time in a formal written style, especially in reports, contracts, dates, and accounting contexts.

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Learning notes

Explanation

points to a specific location or reference point in time in a formal written register. Its meaning can overlap with ที่ or ใน, but its tone is much more official. The usual pattern is + place, date, or time reference. It also appears inside some noble family names with a sense like “of/from,” but learners can usually treat that as part of the proper name.

Usage

You will often see it in invitations, event announcements, signs, official documents, contracts, reports, and accounting materials. It is mainly a written word for specifying an exact place or reference time.

Caution

In everyday speech, use ที่ for ordinary “at/in” meanings, such as meeting at school or being at home. is followed by a place name, date, or time reference; it is not normally used by itself at the end of a sentence.

Differences from similar words

1 at [formal location] synonyms

  • ที่ is the normal everyday word for “at/in.” can mark the same kind of location, but it sounds formal and is mainly used in notices, invitations, and official writing.

  • ใน broadly means “in” or “within.” points to a specific location in a more formal written register, especially before venue names or official locations.

2 as of synonyms

Component words

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