MeridianMERIDIAN

Julian Date

Short-form Julian date with 2-digit year and 3-digit day-of-year. Common in manufacturing, logistics, and food expiration dates.

Julian Date

datetime.date.julian

Short-form Julian date with 2-digit year and 3-digit day-of-year. Common in manufacturing, logistics, and food expiration dates.

Domain
datetime
Category
date
Casts to
DATE
Scope
Universal

Try it

CLI
$ finetype infer -i "24-015" --mode column
→ datetime.date.julian

DuckDB

Detect
SELECT ft_infer('24-015');
-- → 'datetime.date.julian'
Cast expression
strptime(concat('20', {col}), '%Y-%j')::DATE
Safe cast pipeline
-- Normalise and cast in one step
SELECT TRY_CAST(ft_cast(my_column) AS DATE) AS clean_value
FROM my_table
WHERE ft_infer(my_column) = 'datetime.date.julian';

JSON Schema

finetype taxonomy datetime.date.julian -o json-schema
{
  "$id": "https://meridian.online/schemas/datetime.date.julian",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Short-form Julian date with 2-digit year and 3-digit day-of-year. Common in manufacturing, logistics, and food expiration dates.",
  "examples": [
    "24-015",
    "23-365"
  ],
  "maxLength": 6,
  "minLength": 6,
  "pattern": "^\\d{2}-\\d{3}$",
  "title": "Julian Date",
  "type": "string",
  "x-finetype-label": "datetime.date.julian",
  "x-finetype-pii": false
}

Examples

24-01523-365

Type Registry