New $dateFromString operator
Creating a date from a string
db.foursquare.aggregate( [
{ $project: {
_id: 0,
may17th: { *$dateFromString: { dateString: "2017-05-17" }* },
july4th: { *$dateFromString: { dateString: "4/7/2017" }* },
nextWeekDay: { *$dateFromString: { dateString: "2017-07-27 next weekday" }* },
} },
{ $limit: 1 }
] );
{ "may17th" : ISODate("2017-05-17T00:00:00Z"),
"july4th" : ISODate("2017-04-07T00:00:00Z"),
"nextWeekDay" : ISODate("2017-07-28T00:00:00Z") }