20122021

20122021 is a string formed by the four-digit numbers 2012 and 2021 placed together. It is not a standard representation of a single calendar date or a conventional time interval. The sequence is sometimes used as a compact label to denote a span of years from 2012 through 2021, or as an identifier in data management and media projects.

In practice, the term can appear in file names, repository tags, or dataset identifiers to indicate coverage or scope across the indicated years. In cultural contexts, it may appear as a title or part of a title for works that address events or themes across those years.

Interpretation and best practices: When communicating time periods, using a dash (2012–2021) or a phrase (2012 to 2021) is clearer and avoids ambiguity. If a compact numeric label is required, alternative formats such as 2012_2021 or 2012-2021 can reduce misreading as a single date. In data systems, consistent labeling helps with sorting and retrieval, so a clearly defined convention should be documented in accompanying metadata.

See also: date range, time period, ISO 8601, disambiguation.