Without a specific source (e.g., a screenshot or forum post), the exact meaning remains ambiguous, but the phrase follows patterns seen in:

Possible literal referents

The sequence heavily resembles a date. In many parts of the world, dates are written Day/Month/Year.

A: No. Years in Roman numerals are written as a single numeral (e.g., MMXXVI for 2026). This sequence has spaces, so it is four separate numbers.