code: function toJapanese(oGregorian) {
  		var iEra = UniversalDate.getEraByDate(CalendarType.Japanese, oGregorian.year, oGregorian.month, oGregorian.day),
  			iEraStartYear = UniversalDate.getEraStartDate(CalendarType.Japanese, iEra).year;
  		return {
  			era: iEra,
  			year: oGregorian.year - iEraStartYear + 1,
  			month: oGregorian.month,
  			day: oGregorian.day
  		};
  	}
docs: Find the matching japanese date for the given gregorian date
  
  @param {object} oGregorian
  @return {object}