---
id: "ru_date_period"
kind: "pattern"
status: "draft"
is_pii: false
categories: ["datetime"]
country: ["RU"]
langs: ["ru"]
quality: 65
url: "http://registry.apicrafter.io/datatype/ru_date_period"
---

# Date period (Russian) (`ru_date_period`)

> **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.

Period between two dates, months or years written in Russian notation, for example "с 01.2025 по 12.2025" or "01.01.2025-31.12.2025". Often used for the period covered by an inspection or a project.

- Pattern of: `timespan`
- Personal data (PII): no
- Categories: Date and time (datetime)
- Countries: Russian Federation (RU)
- Languages: Russian (ru)

## Detection

Regular expression (Python `re`):

```
^(?:(?:[Сс] )?\d{2}\.(?:\d{2}\.)?\d{4} ?(?:-|–|—|по) ?\d{2}\.(?:\d{2}\.)?\d{4}|\d{4} ?[-–] ?\d{4}(?: ?гг?\.| годы)?)$
```

## Examples

- `с 01.2025 по 12.2025` — Months from January to December 2025
- `01.01.2025-31.12.2025` — Calendar year 2025
- `2015-2020 гг.` — Years 2015 to 2020
- `01.01.2025` (invalid example)

## Translations

- ru: Период: Период между двумя датами, месяцами или годами в русской записи.

## Quality

Score 65/100. Missing: source link, mapping (Wikidata, Schema.org, ...), detector coverage.

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