db={"collection":[{"_id":"5e00bc55c31ecc38d023b156","heat":20,"humidity":10,"deviceId":"a-1","template":"13435158964","entryDayTime":"2019-12-23T13:08:37.841Z"},{"_id":"5e00bbd2c31ecc38d023b155","heat":20,"humidity":10,"deviceId":"a-1","template":"13435158964","entryDayTime":"2019-12-23T13:06:26.366Z"},{"_id":"5df4a8fb46b9da1e2c0731df","heat":88,"humidity":80,"deviceId":"a-1","template":"13435158964","entryDayTime":"2019-12-14T09:18:51.892Z"},{"_id":"5e00b50bc127260398cf51dd","heat":20,"humidity":10,"deviceId":"a-1","template":"13435158964","entryDayTime":"2019-12-23T12:37:31.127Z"},{"_id":"5df20e44e7c51b4bd0095af3","heat":41,"humidity":26,"deviceId":"a-1","template":"13435158964","entryDayTime":"2019-12-12T09:54:12.375Z"},{"_id":"5df20e44e7c51b4bd0095af9","heat":11,"humidity":16,"deviceId":"a-1","template":"13435158964","entryDayTime":"2020-01-01T09:54:12.375Z"}]}

db.collection.aggregate([{"$match":{"deviceId":"a-1","entryDayTime":{"$lt":"2020-01-01T00:00:00.000Z","$gte":"2019-12-01T00:00:00.000Z"}}}])