Universal DateTime Pattern

parseDateTime.java

private static final DateTimeFormatter universalDateTimePattern = DateTimeFormatter.ofPattern("[y-M-d[[' ']['T'][H[:m[:s[.SSSSSS][.SSS][.S]]]][' '][VV][zzz][OOOO][XXXXX]]][H[:m[:s[.SSSSSS][.SSS][.S]]]]");

public static ZonedDateTime parseDateTime(String dateTime) {
	try {
		TemporalAccessor temporal = universalDateTimePattern.parseBest(dateTime, ZonedDateTime::from, OffsetDateTime::from, LocalDateTime::from, LocalDate::from, LocalTime::from);
		if (temporal instanceof ZonedDateTime) return (ZonedDateTime) temporal;
		else if (temporal instanceof OffsetDateTime) return ((OffsetDateTime) temporal).atZoneSameInstant(ZoneId.systemDefault());
		else if (temporal instanceof LocalDateTime) return ((LocalDateTime) temporal).atZone(ZoneId.systemDefault());
		else if (temporal instanceof LocalDate) return ((LocalDate) temporal).atStartOfDay(ZoneId.systemDefault());
		else if (temporal instanceof LocalTime) return ((LocalTime) temporal).atDate(LocalDate.now()).atZone(ZoneId.systemDefault());
		else return null;
	} catch (Exception e) {
		return null;
	}
}