{"query":"1936-01-31","date":"1936-01-31","year":1936,"month":1,"day":31,"weekday":"Friday","weekdayNumber":5,"isLeapYear":true,"dayOfYear":31,"daysInYear":366,"isoWeek":5,"isoWeekYear":1936,"doomsday":{"anchorDayNumber":3,"anchorDay":"Wednesday","div12":3,"mod12":0,"div4":0,"doomsdayNumber":6,"doomsdayName":"Saturday","doomsdayInMonth":4,"doomsdayDate":"1936-01-04","distanceToDoomsday":27},"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/1936-01-31","api":"https://whattheday.com/api/weekday?date=1936-01-31"}