code: static PlainDate from(
          UnixTime ut,
          ZonalOffset offset
      ) {
  
          long localSeconds = ut.getPosixTime() + offset.getIntegralAmount();
          int localNanos = ut.getNanosecond() + offset.getFractionalAmount();
  
          if (localNanos < 0) {
              localSeconds--;
          } else if (localNanos >= 1000000000) {
              localSeconds++;
          }
  
          long mjd =
              EpochDays.MODIFIED_JULIAN_DATE.transform(
                  MathUtils.floorDivide(localSeconds, 86400),
                  EpochDays.UNIX);
          long packedDate = GregorianMath.toPackedDate(mjd);
  
          return PlainDate.of(
              GregorianMath.readYear(packedDate),
              GregorianMath.readMonth(packedDate),
              GregorianMath.readDayOfMonth(packedDate)
          );
  
      }
docs: <p>Erzeugt ein neues Datum passend zur angegebenen absoluten Zeit. </p>
  
  @param   ut      unix time
  @param   offset  shift of local time relative to UTC
  @return  new calendar date