java . util . GregorianCalendar [ time = 1488624811987 , areFieldsSet = true , areAllFieldsSet = true , lenient = true , zone = sun . util . calendar . ZoneInfo [ id =" Asia / Seoul ", offset = 32400000 , dstSavings = 0 , useDaylight = false , transitions = 22 , lastRule = null ] , firstDayOfWeek = 2 , minimalDaysInFirstWeek = 4 , ERA = 1 , YEAR = 2017 , MONTH = 2 , WEEK _ OF _ YEAR = 9 , WEEK _ OF _ MONTH = 1 , DAY _ OF _ MONTH = 4 , DAY _ OF _ YEAR = 63 , DAY _ OF _ WEEK = 7 , DAY _ OF _ WEEK _ IN _ MONTH = 1 , AM _ PM = 1 , HOUR = 7 , HOUR _ OF _ DAY = 19 , MINUTE = 53 , SECOND = 31 , MILLISECOND = 987 , ZONE _ OFFSET = 32400000 , DST _ OFFSET = 0 ]