Импортируйте флягу MongoDateTime
{createdDate : {$gte : ISODate("2017-12-06T00:00:00"), $lte : ISODate("2017-12-06T23:59:59")}}
Wide-eyed Walrus
{createdDate : {$gte : ISODate("2017-12-06T00:00:00"), $lte : ISODate("2017-12-06T23:59:59")}}