{
  "id": 3414,
  "title": "time zone TBD in submission instructions",
  "url": "/competitions/flight/discussion/3414",
  "author_name": "",
  "post_date": "2012-12-20T09:21:13.577Z",
  "votes": null,
  "comment_count": 3,
  "views": 4103,
  "content": "<p>Hi,</p>\r\n<p>In the submission instructions it says:</p>\r\n<p>&quot;predicted_runway_arrival_time: This is your predicted runway arrival time&nbsp;in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>and</p>\r\n<p>&quot;predicted_gate_arrival_time: This is the predicted gate arrival time for the flight, in minutes since midnight (time zone TBD).&quot;\r\n</p>\r\n<p>Which time zone do we have to use here?</p>\r\n<p>Thanks,</p>\r\n<p>Jules</p>",
  "messages": [
    {
      "id": "18251",
      "postDate": "12/20/2012 09:21:13",
      "content": "<p>Hi,</p>\r\n<p>In the submission instructions it says:</p>\r\n<p>&quot;predicted_runway_arrival_time: This is your predicted runway arrival time&nbsp;in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>and</p>\r\n<p>&quot;predicted_gate_arrival_time: This is the predicted gate arrival time for the flight, in minutes since midnight (time zone TBD).&quot;\r\n</p>\r\n<p>Which time zone do we have to use here?</p>\r\n<p>Thanks,</p>\r\n<p>Jules</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "18286",
      "postDate": "12/20/2012 20:33:45",
      "content": "<p>[quote=Jules;18251]</p>\r\n<p>Hi,</p>\r\n<p>In the submission instructions it says:</p>\r\n<p>&quot;predicted_runway_arrival_time: This is your predicted runway arrival time&nbsp;in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>and</p>\r\n<p>&quot;predicted_gate_arrival_time: This is the predicted gate arrival time for the flight, in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>Which time zone do we have to use here?</p>\r\n<p>Thanks,</p>\r\n<p>Jules</p>\r\n<p>[/quote]The time zone should be UTC. Thanks for pointing this out - this has been updated.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "18297",
      "postDate": "12/20/2012 22:06:01",
      "content": "<p>flight_history_id,departure_airport_code,arrival_airport_code,published_departure,published_arrival,scheduled_gate_departure,scheduled_gate_arrival,scheduled_runway_departure,scheduled_runway_arrival</p>\r\n<p>280889846,DEN,DCA,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-21 00:10:00&#43;00:00,2012-11-21 03:07:00&#43;00:00</p>\r\n<p>the above is a flight that has</p>\r\n<p>published_departure = &nbsp;2012-11-20 23:40:00&#43;00:00</p>\r\n<p>scheduled_runway_departure&nbsp;2012-11-21 00:10:00&#43;00:00</p>\r\n<p>So we get a new midnight before the flight takes off. &nbsp;</p>\r\n<p>here is a flight that has the published_departure missing, so we cannot always use the published departure</p>\r\n<p>281215762,ACK,BOS,MISSING,MISSING,2012-11-21 22:30:00&#43;00:00,2012-11-21 23:15:00&#43;00:00,MISSING,MISSING</p>\r\n<p>Please clearly specify how the midnight relative to which we make our predictions is calculated.&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "18621",
      "postDate": "12/26/2012 07:18:26",
      "content": "<p>[quote=dxyz;18297]</p>\r\n<p>flight_history_id,departure_airport_code,arrival_airport_code,published_departure,published_arrival,scheduled_gate_departure,scheduled_gate_arrival,scheduled_runway_departure,scheduled_runway_arrival</p>\r\n<p>280889846,DEN,DCA,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-21 00:10:00&#43;00:00,2012-11-21 03:07:00&#43;00:00</p>\r\n<p>the above is a flight that has</p>\r\n<p>published_departure = &nbsp;2012-11-20 23:40:00&#43;00:00</p>\r\n<p>scheduled_runway_departure&nbsp;2012-11-21 00:10:00&#43;00:00</p>\r\n<p>So we get a new midnight before the flight takes off. &nbsp;</p>\r\n<p>here is a flight that has the published_departure missing, so we cannot always use the published departure</p>\r\n<p>281215762,ACK,BOS,MISSING,MISSING,2012-11-21 22:30:00&#43;00:00,2012-11-21 23:15:00&#43;00:00,MISSING,MISSING</p>\r\n<p>Please clearly specify how the midnight relative to which we make our predictions is calculated.&nbsp;</p>\r\n<p>[/quote]Midnight is relative to the folder that contains the flight (so any predictions that you make for a test flight in the folder 12_05_2012 should be relative to midnight UTC on December 5, 2012).&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 18286,
      "author_name": "benhamner",
      "author_url": "",
      "post_date": "12/20/2012 20:33:45",
      "content": "<p>[quote=Jules;18251]</p>\r\n<p>Hi,</p>\r\n<p>In the submission instructions it says:</p>\r\n<p>&quot;predicted_runway_arrival_time: This is your predicted runway arrival time&nbsp;in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>and</p>\r\n<p>&quot;predicted_gate_arrival_time: This is the predicted gate arrival time for the flight, in minutes since midnight (time zone TBD).&quot;</p>\r\n<p>Which time zone do we have to use here?</p>\r\n<p>Thanks,</p>\r\n<p>Jules</p>\r\n<p>[/quote]The time zone should be UTC. Thanks for pointing this out - this has been updated.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 18297,
      "author_name": "dxyz46459",
      "author_url": "",
      "post_date": "12/20/2012 22:06:01",
      "content": "<p>flight_history_id,departure_airport_code,arrival_airport_code,published_departure,published_arrival,scheduled_gate_departure,scheduled_gate_arrival,scheduled_runway_departure,scheduled_runway_arrival</p>\r\n<p>280889846,DEN,DCA,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-21 00:10:00&#43;00:00,2012-11-21 03:07:00&#43;00:00</p>\r\n<p>the above is a flight that has</p>\r\n<p>published_departure = &nbsp;2012-11-20 23:40:00&#43;00:00</p>\r\n<p>scheduled_runway_departure&nbsp;2012-11-21 00:10:00&#43;00:00</p>\r\n<p>So we get a new midnight before the flight takes off. &nbsp;</p>\r\n<p>here is a flight that has the published_departure missing, so we cannot always use the published departure</p>\r\n<p>281215762,ACK,BOS,MISSING,MISSING,2012-11-21 22:30:00&#43;00:00,2012-11-21 23:15:00&#43;00:00,MISSING,MISSING</p>\r\n<p>Please clearly specify how the midnight relative to which we make our predictions is calculated.&nbsp;</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 18621,
      "author_name": "benhamner",
      "author_url": "",
      "post_date": "12/26/2012 07:18:26",
      "content": "<p>[quote=dxyz;18297]</p>\r\n<p>flight_history_id,departure_airport_code,arrival_airport_code,published_departure,published_arrival,scheduled_gate_departure,scheduled_gate_arrival,scheduled_runway_departure,scheduled_runway_arrival</p>\r\n<p>280889846,DEN,DCA,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-20 23:40:00&#43;00:00,2012-11-21 02:52:00&#43;00:00,2012-11-21 00:10:00&#43;00:00,2012-11-21 03:07:00&#43;00:00</p>\r\n<p>the above is a flight that has</p>\r\n<p>published_departure = &nbsp;2012-11-20 23:40:00&#43;00:00</p>\r\n<p>scheduled_runway_departure&nbsp;2012-11-21 00:10:00&#43;00:00</p>\r\n<p>So we get a new midnight before the flight takes off. &nbsp;</p>\r\n<p>here is a flight that has the published_departure missing, so we cannot always use the published departure</p>\r\n<p>281215762,ACK,BOS,MISSING,MISSING,2012-11-21 22:30:00&#43;00:00,2012-11-21 23:15:00&#43;00:00,MISSING,MISSING</p>\r\n<p>Please clearly specify how the midnight relative to which we make our predictions is calculated.&nbsp;</p>\r\n<p>[/quote]Midnight is relative to the folder that contains the flight (so any predictions that you make for a test flight in the folder 12_05_2012 should be relative to midnight UTC on December 5, 2012).&nbsp;</p>",
      "votes": null,
      "replies": []
    }
  ],
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}