20121218

20121218 is a numeric date written in the YYYYMMDD format. It corresponds to December 18, 2012. When used in data storage and information systems, the compact form is common because it sorts chronologically when treated as a string.

In ISO 8601, the date is written as 2012-12-18. The two representations denote the same calendar day, with and without separators.

Calendar details: 2012 was a leap year, so December 18 fell on a Tuesday. It was the 353rd day of the year, with 13 days remaining in 2012 after that date.

Usage and context: 20121218 is frequently used in file names, database keys, versioning schemes, and logs to ensure a stable, lexicographic order. It is also used in data interchange where a compact, unambiguous date representation is preferred.

See also: the YYYYMMDD date format and the ISO 8601 standard.