19000118

19000118 is a numeric date string commonly used in data systems to denote January 18, 1900. In YYYYMMDD notation, the year is the first component, followed by the month and day, without separators. Such formats are used in archival catalogs, libraries, meteorological records, and genealogical databases because they sort chronologically and avoid locale ambiguity.

Interpretation: In most contexts, 19000118 corresponds to January 18, 1900 in the Gregorian calendar. Some historical records from earlier periods or in certain jurisdictions may require consideration of calendar variants; by 1900, many international records used Gregorian dating. The date falls in the early part of the 20th century, a period of rapid modernization, industrial growth, and imperial-era activity in various regions.

Applications: The string can appear as a birth date, a record-keeping timestamp, or a dataset key. It is often used as a primary key or sortable identifier because it encodes chronology in a compact form.

Limitations: Without separators, human readability declines; when exchanging data, many systems convert to ISO 8601 form (1900-01-18). Ambiguities can arise if the date field is misinterpreted as day-month-year in locales that render 19000118 as 01/18/1900.