testDB> db.getCollectionInfos({name:'TS_Stuff'})
[
  {
    name: 'TS_Stuff',
    type: 'timeseries',
    options: {
      timeseries: {
        timeField: 't',
        metaField: 'd',
        granularity: 'seconds',
        bucketMaxSpanSeconds: 3600
      }
    },
    info: { readOnly: false }
  }
]

testDB> db.TS_Stuff.count()
131553179

testDB> db.TS_Stuff.find({},{_id:0,t:1}).sort({t:-1}).limit(5)
[
  { t: ISODate('2024-07-24T14:32:18.000Z') },
  { t: ISODate('2024-07-24T14:32:16.000Z') },
  { t: ISODate('2024-07-24T14:32:16.000Z') },
  { t: ISODate('2024-07-24T14:32:14.000Z') },
  { t: ISODate('2024-07-24T14:32:14.000Z') }
]

testDB> db.TS_Stuff.find({t:{$gte:ISODate('2024-07-24T14:32:16.000Z')}},{_id:0,t:1})

testDB> db.TS_Stuff.find({t:{$gt:ISODate('2024-07-24T14:32:16.000Z')}},{_id:0,t:1})

testDB> db.TS_Stuff.find({t:{$eq:ISODate('2024-07-24T14:32:16.000Z')}},{_id:0,t:1})

testDB> db.TS_Stuff.find({t:{$lt:ISODate('2024-07-24T14:32:16.000Z')}},{_id:0,t:1})
[
  { t: ISODate('2017-10-24T21:16:15.000Z') },
  { t: ISODate('2017-10-24T21:16:16.000Z') },
  { t: ISODate('2017-10-24T21:16:56.000Z') },
  { t: ISODate('2017-10-24T21:16:51.000Z') },
  { t: ISODate('2017-10-24T21:16:51.000Z') },
  { t: ISODate('2017-10-24T21:16:50.000Z') },
  { t: ISODate('2017-10-24T21:16:17.000Z') },
  { t: ISODate('2017-10-24T21:16:57.000Z') },
  { t: ISODate('2017-10-24T21:16:57.000Z') },
  { t: ISODate('2017-10-24T21:16:15.000Z') },
  { t: ISODate('2017-10-24T21:16:14.000Z') },
  { t: ISODate('2017-10-24T21:16:19.000Z') },
  { t: ISODate('2017-10-24T21:16:20.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:32.000Z') },
  { t: ISODate('2017-10-24T21:16:38.000Z') }
]
Type "it" for more

testDB> db.TS_Stuff.find({t:{$lte:ISODate('2024-07-24T14:32:16.000Z')}},{_id:0,t:1})
[
  { t: ISODate('2017-10-24T21:16:15.000Z') },
  { t: ISODate('2017-10-24T21:16:16.000Z') },
  { t: ISODate('2017-10-24T21:16:56.000Z') },
  { t: ISODate('2017-10-24T21:16:51.000Z') },
  { t: ISODate('2017-10-24T21:16:51.000Z') },
  { t: ISODate('2017-10-24T21:16:50.000Z') },
  { t: ISODate('2017-10-24T21:16:17.000Z') },
  { t: ISODate('2017-10-24T21:16:57.000Z') },
  { t: ISODate('2017-10-24T21:16:57.000Z') },
  { t: ISODate('2017-10-24T21:16:15.000Z') },
  { t: ISODate('2017-10-24T21:16:14.000Z') },
  { t: ISODate('2017-10-24T21:16:19.000Z') },
  { t: ISODate('2017-10-24T21:16:20.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:26.000Z') },
  { t: ISODate('2017-10-24T21:16:32.000Z') },
  { t: ISODate('2017-10-24T21:16:38.000Z') }
]
Type "it" for more