code: public static ZonedDateTime convertToZonedDateTime(final String value) {
          val dt = DateTimeUtils.zonedDateTimeOf(value);
          if (dt != null) {
              return dt;
          }
          val lt = DateTimeUtils.localDateTimeOf(value);
          return DateTimeUtils.zonedDateTimeOf(lt.atZone(ZoneOffset.UTC));
      }
docs: Convert to zoned date time.
  
  @param value the value
  @return the zoned date time