---
id: "monthday_dm_dot"
kind: "pattern"
status: "draft"
is_pii: false
categories: ["datetime"]
langs: ["common"]
quality: 93
url: "http://registry.apicrafter.io/datatype/monthday_dm_dot"
---

# Day and month as DD.MM (`monthday_dm_dot`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Day and month without a year, written as two two-digit numbers separated by a dot, for example 25.12. Such values look like decimal numbers, so they need context, such as a column name, to be read as dates.

- Pattern of: `monthday`
- Personal data (PII): no
- Categories: Date and time (datetime)
- Countries: global
- Languages: Common to most languages (common)

## Detection

Regular expression (Python `re`):

```
^(?:0[1-9]|[12]\d|3[01])\.(?:0[1-9]|1[0-2])$
```

## Examples

- `25.12` — 25 December
- `05.05` — 5 May
- `25.12.2024` (invalid example)
- `12.45` (invalid example)

## Mappings

- qddate: `dt:date:noyear_1`

## Supported by tools

- `qddate`

## Translations

- ru: День и месяц в формате ДД.ММ: День и месяц без года: два двузначных числа через точку, например 25.12.

## Sources

- other: <https://github.com/ivbeg/qddate/blob/v1.1.0/qddate/patterns/base.py>

## Quality

Score 93/100. Missing: authoritative source link.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/monthday_dm_dot.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/datetime/monthday_dm_dot.yaml>