Convert String to Date by using map function in MongoDb
Convert String to Date by using map function in MongoDb db.getCollection('trackings').find({"created_date": /^Fri Dec 11 2015.*/}) .map( function(tracking) { db.getCollection('trackings').update({ "_id": tracking._id}, { $set: { "created_date": new Date(tracking.created_date) } }, { multi: false } ); return [tracking.created_date] } );