hour pattern on a LocalDate            UnsupportedTemporalTypeException: Unsupported field: HourOfDay
zone pattern on a LocalDateTime        DateTimeException: Unable to extract ZoneId from temporal 2026-11-14T01:17
unknown pattern letter 'b'             IllegalArgumentException: Unknown pattern letter: b
unterminated quote                     IllegalArgumentException: Pattern ends with an incomplete string literal: uuuu-MM-dd'T
the T in an ISO pattern, unquoted      IllegalArgumentException: Unknown pattern letter: T
the T in an ISO pattern, quoted        OK: 2026-11-14T01:17
text too short                         DateTimeParseException: Text '2026-11' could not be parsed at index 7
text too long                          DateTimeParseException: Text '2026-11-14 extra' could not be parsed, unparsed text found at index 10
date-only text into a LocalDateTime    DateTimeParseException: Text '2026-11-14' could not be parsed: Unable to obtain LocalDateTime from TemporalAccessor: {},ISO resolved to 2026-11-14 of type java.time.format.Parsed
month name in the wrong language       DateTimeParseException: Text '14 novembre 2026' could not be parsed at index 3
same text, French locale               OK: 2026-11-14
