Output coming inJSON as :
"publishDate": "java.util.GregorianCalendar[time=1707236418257,areFieldsSet=true,areAllFieldsSet=true,lenient=false,zone=sun.util.calendar.ZoneInfo[id=\"GMT-05:00\",offset=-18000000,dstSavings=0,useDaylight=false,transitions=0,lastRule=null],firstDayOfWeek=1,minimalDaysInFirstWeek=1,ERA=1,YEAR=2024,MONTH=1,WEEK_OF_YEAR=6,WEEK_OF_MONTH=2,DAY_OF_MONTH=6,DAY_OF_YEAR=37,DAY_OF_WEEK=3,DAY_OF_WEEK_IN_MONTH=1,AM_PM=0,HOUR=11,HOUR_OF_DAY=11,MINUTE=20,SECOND=18,MILLISECOND=257,ZONE_OFFSET=-18000000,DST_OFFSET=0]",