earthBranchMonth method

PWBEarthBranchModel earthBranchMonth()

Implementation

PWBEarthBranchModel earthBranchMonth() {
  int index = theDate.month % 12;

  if (theDate.isBefore(solarTerms[0].termDate)) {
    if (index == 0) {
      index = 11;
    } else {
      index -= 1;
    }
  }
  return PWBEarthBranchModel(PWBEarchBranchEnum.values[index]);
}