{"query":"1931-01-04","date":"1931-01-04","year":1931,"month":1,"day":4,"weekday":"Sunday","weekdayNumber":0,"isLeapYear":false,"dayOfYear":4,"daysInYear":365,"isoWeek":1,"isoWeekYear":1931,"doomsday":{"anchorDayNumber":3,"anchorDay":"Wednesday","div12":2,"mod12":7,"div4":1,"doomsdayNumber":6,"doomsdayName":"Saturday","doomsdayInMonth":3,"doomsdayDate":"1931-01-03","distanceToDoomsday":1},"onThisDay":[{"date":"1643-01-04","title":"Birth of Isaac Newton"},{"date":"2004-01-04","title":"Spirit rover lands on Mars"}],"url":"https://whattheday.com/1931-01-04","api":"https://whattheday.com/api/weekday?date=1931-01-04"}