db.getCollection('consos').aggregate([
    {
         "$project": {
                "yearMonthDay": { "$dateToString": { "format": "%Y-%m-%d", "date": "$date" } },
                "time": { "$dateToString": { "format": "%H:%M:%S:%L", "date": "$date" } },
                "weekday": "$weekday"
         }
     },
     {
         "$group" : {
             "_id" : {
                 "date" : "$yearMonthDay",
                 "weekday" : "$weekday"
             },
             "count" : { "$sum" : 1 },
         }
    },
    // sort from most recent to oldest
    {
        "$sort": { "_id.date": -1 }
    },
    // select first ten results
    {
        "$limit": 10
    },
    // reverse order of ten results
    {
        "$sort": { "_id.date": 1 }
    },
    {
        "$project" : {
            "_id" : 0,
            "date" : "$_id.date",
            "weekday" : "$_id.weekday",
            "count" : 1
        }
    }
])