Function format_date_styled 

pub fn format_date_styled(days: i32, style: &RenderStyle) -> String

format_date under a DateStyle. PG18 shapes: ISO 2024-03-15 · German 15.03.2024 · SQL 03/15/2024 (DMY 15/03/2024) · Postgres 03-15-2024 (DMY 15-03-2024). YMD field order affects only ISO-irrelevant styles’ INPUT; output falls back to the MDY arrangement (as PG does).