{"query":"1959-01-31","date":"1959-01-31","year":1959,"month":1,"day":31,"weekday":"Saturday","weekdayNumber":6,"isLeapYear":false,"dayOfYear":31,"daysInYear":365,"isoWeek":5,"isoWeekYear":1959,"doomsday":{"anchorDayNumber":3,"anchorDay":"Wednesday","div12":4,"mod12":11,"div4":2,"doomsdayNumber":6,"doomsdayName":"Saturday","doomsdayInMonth":3,"doomsdayDate":"1959-01-03","distanceToDoomsday":28},"onThisDay":[{"date":"1958-01-31","title":"Explorer 1, the first US satellite, is launched"},{"date":"2020-01-31","title":"The United Kingdom formally leaves the European Union"}],"url":"https://whattheday.com/1959-01-31","api":"https://whattheday.com/api/weekday?date=1959-01-31"}