Time off request model

Getting this weird error: Failure/Error: JSON.parse(response.body).should == TimeOffRequest.last.attributes
       expected: {"id"=>204, "user_id"=>1, "starts_at"=>Mon, 06 Oct 2014 16:10:34 UTC +00:00, "ends_at"=>Mon, 06 Oct 2014 21:10:34 UTC +00:00, "reason"=>"I want to have some time off this weekend.", "approved_by_user_id"=>nil, "approved_at"=>nil, "created_at"=>Mon, 06 Oct 2014 16:12:20 UTC +00:00, "updated_at"=>Mon, 06 Oct 2014 16:12:20 UTC +00:00, "active"=>true, "approved"=>false, "location_id"=>nil, "processed_by_last_name"=>nil, "processed_by_first_name"=>nil, "all_day"=>nil}
            got: {"id"=>204, "user_id"=>1, "starts_at"=>"2014-10-06T10:10:34.000-06:00", "ends_at"=>"2014-10-06T15:10:34.000-06:00", "reason"=>"I want to have some time off this weekend.", "approved_by_user_id"=>nil, "approved_at"=>nil, "created_at"=>"2014-10-06T10:12:20.000-06:00", "updated_at"=>"2014-10-06T10:12:20.279-06:00", "active"=>true, "approved"=>false, "location_id"=>nil, "processed_by_last_name"=>nil, "processed_by_first_name"=>nil, "all_day"=>nil} (using ==)
       Diff:

       @@ -3,14 +3,14 @@
        "approved" => false,
        "approved_at" => nil,
        "approved_by_user_id" => nil,
       -"created_at" => Mon, 06 Oct 2014 16:12:20 UTC +00:00,
       -"ends_at" => Mon, 06 Oct 2014 21:10:34 UTC +00:00,
       +"created_at" => "2014-10-06T10:12:20.000-06:00",
       +"ends_at" => "2014-10-06T15:10:34.000-06:00",
        "id" => 204,
        "location_id" => nil,
        "processed_by_first_name" => nil,
        "processed_by_last_name" => nil,
        "reason" => "I want to have some time off this weekend.",
       -"starts_at" => Mon, 06 Oct 2014 16:10:34 UTC +00:00,
       -"updated_at" => Mon, 06 Oct 2014 16:12:20 UTC +00:00,
       +"starts_at" => "2014-10-06T10:10:34.000-06:00",
       +"updated_at" => "2014-10-06T10:12:20.279-06:00",
        "user_id" => 1
     # ./spec/controllers/scheduling/time_off_requests_controller_spec.rb:105:in `block (4 levels) in <top (required)>'