{"query":"2016-01-31","date":"2016-01-31","year":2016,"month":1,"day":31,"weekday":"Sunday","weekdayNumber":0,"isLeapYear":true,"dayOfYear":31,"daysInYear":366,"isoWeek":4,"isoWeekYear":2016,"doomsday":{"anchorDayNumber":2,"anchorDay":"Tuesday","div12":1,"mod12":4,"div4":1,"doomsdayNumber":1,"doomsdayName":"Monday","doomsdayInMonth":4,"doomsdayDate":"2016-01-04","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/2016-01-31","api":"https://whattheday.com/api/weekday?date=2016-01-31"}