Chinese Standard Date

datetime.date.chinese_ymd

Year-Month-Day with Chinese character delimiters. Standard in Chinese government, institutional data, and formal documents. Uses Unicode characters for year, month, day markers.

Domain

datetime

Try it

CLI

$ finetype infer -i "2024年1月15日"
→ datetime.date.chinese_ymd

DuckDB

Detect

SELECT finetype('2024年1月15日');
-- → 'datetime.date.chinese_ymd'

Cast expression

strptime(regexp_replace(regexp_replace(regexp_replace({col}, '年', '-'), '月', '-'), '日', ''), '%Y-%-m-%-d')::DATE

Safe cast pipeline

-- Normalise and cast in one step
SELECT TRY_CAST(finetype_cast(my_column) AS DATE) AS clean_value
FROM my_table
WHERE finetype(my_column) = 'datetime.date.chinese_ymd';

JSON Schema

finetype schema datetime.date.chinese_ymd

{
  "$id": "https://meridian.online/schemas/datetime.date.chinese_ymd",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Year-Month-Day with Chinese character delimiters. Standard in Chinese government, institutional data, and formal documents. Uses Unicode characters for year, month, day markers.",
  "examples": [
    "2024年1月15日",
    "2023年12月25日",
    "2022年6月1日"
  ],
  "pattern": "^\\d{4}年[1-9]\\d?月[1-3]?\\d日$",
  "title": "Chinese Standard Date",
  "type": "string",
  "x-finetype-broad-type": "DATE",
  "x-finetype-transform": "strptime(regexp_replace(regexp_replace(regexp_replace({col}, '年', '-'), '月', '-'), '日', ''), '%Y-%-m-%-d')::DATE"
}

Examples

2024年1月15日2023年12月25日2022年6月1日

Aliases

cn_standard