当日

• Pinyin: dāng rì
• Desglose de hanzi: 当 = that, corresponding; 日 = 日 (sun, day)

Significado

Ese día; el mismo día; en la fecha en cuestión.

Used in formal writing, legal documents, and journalism to refer back to a specific date already mentioned in the narrative. More formal than 当天, which is more colloquial.

Ejemplos

1. 合同签订当日，双方代表均在场见证。
2. 事故发生当日，警方迅速封锁了现场并展开调查。
3. 当日抵达的旅客须在指定窗口完成入住登记手续。

Guía de uso

Contexto: legal, journalism, official records

Tono: neutral

Correcto

• 票务规定显示，当日购票当日有效，不得延期使用。(Ticketing rules state that tickets purchased on that day are valid only on that day and may not be deferred.)
• 当日的会议记录已整理归档，供各部门查阅。(The meeting minutes from that day have been filed and archived for departmental reference.)

Incorrecto

• 我当日要去 — 当日 refers to a day established in context, not today; use 今天 or 今日 for the current day

Origen e historia

当 (that, on that) + 日 (day)

Contexto cultural

Generación: All ages

Contexto social: Universal