$('.calendar').pignoseCalendar({
   lang:'es',

   theme: 'light',

   schedules: [
     <?php echo json_encode($eventos_json) ?>
   ],
   scheduleOptions: {
     colors: {
       offer: '#2fabb7',
       ad: '#5c6270'
     }
   },
   select: function(date, context) {
     console.log(date);
   }
});

public function dashboard() {
    $eventos = eventos();

    $eventos_json = array();

    foreach ($eventos as $item) {

        $fila = array('name'=>'luis','date'=>substr($item['fecha_hora'],0,10));
        array_push($eventos_json, $fila);
    }
    //dd($eventos);
    return view('layouts.admin.paginas.dashboard',compact('eventos','eventos_json'));
}

$('.calendar').pignoseCalendar({
  scheduleOptions: {
    colors: {
        offer: '#2fabb7',
        ad: '#5c6270'
    }
  },
  schedules: [{
     name: 'offer',
     date: '2017-02-08'
  }, {
     name: 'ad',
     date: '2017-02-08'
  }, {
     name: 'offer',
     date: '2017-02-05',
  }],
  select: function(date, context) {
     console.log('events for this date', context.storage.schedules);
  }
});