Database
db={"printerInspections":[{"printerId":2,"inspectionDeleted":false,"inspectionDate":"08-23-2019"},{"printerId":2,"inspectionDeleted":false,"inspectionDate":"08-22-2019"},{"printerId":2,"inspectionDeleted":false,"inspectionDate":"08-21-2019"},{"printerId":1,"inspectionDeleted":true,"inspectionDate":"08-23-2019"},{"printerId":3,"inspectionDeleted":false,"inspectionDate":"08-22-2019"},{"printerId":3,"inspectionDeleted":false,"inspectionDate":"08-21-2019"}]}
Query
db.printerInspections.find({"inspectionDeleted":false},{"inspectionDate":{$month:12}})