我mongodb我的日期在01-03-2016 00:12格式化我如何通过使用日期找到数据

i mongodb my date in 01-03-2016 00:12 formate how can i find data by using date

"_id" : ObjectId("57e52983bdf2814f2eb4afb8"),
        "id" : 1066056,
        "msisdn" : NumberLong("919979866306"),
        "service_id" : "V3_BHOJF",
        "class" : "V3_BHOJF",
        "txnid" : NumberLong("6295769953"),
        "charging_mode" : "15DAYS",
        "circle_id" : 1,
        "actual_price_deduct" : 30,
        "pack_id" : 162,
        "created" : "01-03-2016 00:12",
        "flag" : 0

以字符串格式保存。保存为日期格式，然后按日期查找数据。