docs: public static long toLocalDate(TimeZone browserTZ, TimeZone targetTZ, Date utcDate) {
          long utc = utcDate.getTime();
          int targetOffsetFromUTC = targetTZ.getOffset(utc);
          int browserOffsetFromUTC = browserTZ.getOffset(utc);
  
          return utc + targetOffsetFromUTC - browserOffsetFromUTC;
      }