19770312

19770312 is an eight-digit numeric string used to denote a calendar date in the YYYYMMDD format. In this scheme, the first four digits identify the year, the next two the month, and the final two the day.

Converted to a standard calendar notation, 19770312 corresponds to March 12, 1977, in the Gregorian calendar. Time zone considerations can affect the date near midnight, but the date component itself represents a single day in that system. When written in ISO 8601 form, the equivalent date is 1977-03-12.

The YYYYMMDD format is valued in computing and data management for its straightforward lexicographic ordering: dates beginning with the year sort chronologically when treated as plain strings. As such, 19770312 is commonly used in file naming, database keys, logs, archival identifiers, and other contexts where unambiguous, sortable dates are advantageous. The compact, separator-free form is often preferred in systems with strict constraints on characters or where consistent-length fields are important.

Variants and related formats include 1977-03-12 (hyphenated ISO form) and locale-specific representations such as 12/03/1977 (day-month-year) or 03/12/1977 (month-day-year), depending on regional conventions. The unseparated form 19770312 is language-agnostic and widely recognized in technical settings.

See also: date formats, ISO 8601, YYYYMMDD.