One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pandas

A column containing 2026-01-05, 2026/02/11, 03/12/2026, and 2026年4月8日 needs an explicit parsing policy. The result depends on the parser, version, and options: pandas may reject unmatched formats, turn them into NaT when asked to coerce errors, or infer a date you did not intend. It does not inevitably coerce mixed dates and sort them incorrectly.... Weiterlesen: One Column, Five Date Formats: Detecting and Fixing Mixed Dates in pa…