Mongodb: Perform a Date range query from the ObjectId in the mongo shell

You can do that in 2 steps:

 var objIdMin = ObjectId(Math.floor((new Date('1990/10/10'))/1000).toString(16) + "000
0000000000000")
 var objIdMax = ObjectId(Math.floor((new Date('2011/10/22'))/1000).toString(16) + "000
    0000000000000")
 db.myCollection.find({_id:{$gt: objIdMin, $lt: objIdMax}})

or in one step (what is less readable):

db.myCollection.find({_id:{$gt: ObjectId(Math.floor((new Date('1990/10/10'))/1000).toString(16) + "000
    0000000000000"), $lt: ObjectId(Math.floor((new Date('2011/10/10'))/1000).toString(16) + "000
    0000000000000")}})

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