diff --git a/src/applications/calendar/query/PhabricatorCalendarEventSearchEngine.php b/src/applications/calendar/query/PhabricatorCalendarEventSearchEngine.php
index d84f81cac4..d9be394049 100644
--- a/src/applications/calendar/query/PhabricatorCalendarEventSearchEngine.php
+++ b/src/applications/calendar/query/PhabricatorCalendarEventSearchEngine.php
@@ -1,467 +1,469 @@
 <?php
 
 final class PhabricatorCalendarEventSearchEngine
   extends PhabricatorApplicationSearchEngine {
 
   private $calendarYear;
   private $calendarMonth;
   private $calendarDay;
 
   public function getResultTypeDescription() {
     return pht('Calendar Events');
   }
 
   public function getApplicationClassName() {
     return 'PhabricatorCalendarApplication';
   }
 
   public function buildSavedQueryFromRequest(AphrontRequest $request) {
     $saved = new PhabricatorSavedQuery();
 
     $saved->setParameter(
       'rangeStart',
       $this->readDateFromRequest($request, 'rangeStart'));
 
     $saved->setParameter(
       'rangeEnd',
       $this->readDateFromRequest($request, 'rangeEnd'));
 
     $saved->setParameter(
       'upcoming',
       $this->readBoolFromRequest($request, 'upcoming'));
 
     $saved->setParameter(
       'invitedPHIDs',
       $this->readUsersFromRequest($request, 'invited'));
 
     $saved->setParameter(
       'creatorPHIDs',
       $this->readUsersFromRequest($request, 'creators'));
 
     $saved->setParameter(
       'isCancelled',
       $request->getStr('isCancelled'));
 
     $saved->setParameter(
       'display',
       $request->getStr('display'));
 
     return $saved;
   }
 
   public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
     $query = id(new PhabricatorCalendarEventQuery());
     $viewer = $this->requireViewer();
     $timezone = new DateTimeZone($viewer->getTimezoneIdentifier());
 
     $min_range = $this->getDateFrom($saved)->getEpoch();
     $max_range = $this->getDateTo($saved)->getEpoch();
 
     if ($saved->getParameter('display') == 'month' ||
       $saved->getParameter('display') == 'day') {
       list($start_year, $start_month, $start_day) =
         $this->getDisplayYearAndMonthAndDay($saved);
 
       $start_day = new DateTime(
         "{$start_year}-{$start_month}-{$start_day}",
         $timezone);
       $next = clone $start_day;
 
       if ($saved->getParameter('display') == 'month') {
         $next->modify('+1 month');
       } else if ($saved->getParameter('display') == 'day') {
         $next->modify('+6 day');
       }
 
       $display_start = $start_day->format('U');
       $display_end = $next->format('U');
 
       if (!$min_range || ($min_range < $display_start)) {
         $min_range = $display_start;
       }
       if (!$max_range || ($max_range > $display_end)) {
         $max_range = $display_end;
       }
     }
 
     if ($saved->getParameter('upcoming')) {
       if ($min_range) {
         $min_range = max(time(), $min_range);
       } else {
         $min_range = time();
       }
     }
 
     if ($min_range || $max_range) {
       $query->withDateRange($min_range, $max_range);
     }
 
     $invited_phids = $saved->getParameter('invitedPHIDs');
     if ($invited_phids) {
       $query->withInvitedPHIDs($invited_phids);
     }
 
     $creator_phids = $saved->getParameter('creatorPHIDs');
     if ($creator_phids) {
       $query->withCreatorPHIDs($creator_phids);
     }
 
     $is_cancelled = $saved->getParameter('isCancelled');
     switch ($is_cancelled) {
       case 'active':
         $query->withIsCancelled(false);
         break;
       case 'cancelled':
         $query->withIsCancelled(true);
         break;
     }
 
     return $query;
   }
 
   public function buildSearchForm(
     AphrontFormView $form,
     PhabricatorSavedQuery $saved) {
 
     $range_start = $this->getDateFrom($saved);
     $e_start = null;
 
     $range_end = $this->getDateTo($saved);
     $e_end = null;
 
     if (!$range_start->isValid()) {
       $this->addError(pht('Start date is not valid.'));
       $e_start = pht('Invalid');
     }
 
     if (!$range_end->isValid()) {
       $this->addError(pht('End date is not valid.'));
       $e_end = pht('Invalid');
     }
 
     $start_epoch = $range_start->getEpoch();
     $end_epoch = $range_end->getEpoch();
 
     if ($start_epoch && $end_epoch && ($start_epoch > $end_epoch)) {
       $this->addError(pht('End date must be after start date.'));
       $e_start = pht('Invalid');
       $e_end = pht('Invalid');
     }
 
     $upcoming = $saved->getParameter('upcoming');
     $is_cancelled = $saved->getParameter('isCancelled', 'active');
     $display = $saved->getParameter('display', 'month');
 
     $invited_phids = $saved->getParameter('invitedPHIDs', array());
     $creator_phids = $saved->getParameter('creatorPHIDs', array());
     $resolution_types = array(
       'active' => pht('Active Events Only'),
       'cancelled' => pht('Cancelled Events Only'),
       'both' => pht('Both Cancelled and Active Events'),
     );
     $display_options = array(
       'month' => pht('Month View'),
       'day' => pht('Day View (beta)'),
       'list' => pht('List View'),
     );
 
     $form
       ->appendControl(
         id(new AphrontFormTokenizerControl())
           ->setDatasource(new PhabricatorPeopleDatasource())
           ->setName('creators')
           ->setLabel(pht('Created By'))
           ->setValue($creator_phids))
       ->appendControl(
         id(new AphrontFormTokenizerControl())
           ->setDatasource(new PhabricatorPeopleDatasource())
           ->setName('invited')
           ->setLabel(pht('Invited'))
           ->setValue($invited_phids))
       ->appendChild(
         id(new AphrontFormDateControl())
           ->setLabel(pht('Occurs After'))
           ->setUser($this->requireViewer())
           ->setName('rangeStart')
           ->setError($e_start)
           ->setValue($range_start))
       ->appendChild(
         id(new AphrontFormDateControl())
           ->setLabel(pht('Occurs Before'))
           ->setUser($this->requireViewer())
           ->setName('rangeEnd')
           ->setError($e_end)
           ->setValue($range_end))
       ->appendChild(
         id(new AphrontFormCheckboxControl())
           ->addCheckbox(
             'upcoming',
             1,
             pht('Show only upcoming events.'),
             $upcoming))
       ->appendChild(
         id(new AphrontFormSelectControl())
           ->setLabel(pht('Cancelled Events'))
           ->setName('isCancelled')
           ->setValue($is_cancelled)
           ->setOptions($resolution_types))
       ->appendChild(
         id(new AphrontFormSelectControl())
           ->setLabel(pht('Display Options'))
           ->setName('display')
           ->setValue($display)
           ->setOptions($display_options));
   }
 
   protected function getURI($path) {
     return '/calendar/'.$path;
   }
 
   protected function getBuiltinQueryNames() {
     $names = array(
       'month' => pht('Month View'),
       'day' => pht('Day View'),
       'upcoming' => pht('Upcoming Events'),
       'all' => pht('All Events'),
     );
 
     return $names;
   }
 
   public function setCalendarYearAndMonthAndDay($year, $month, $day = null) {
     $this->calendarYear = $year;
     $this->calendarMonth = $month;
     $this->calendarDay = $day;
 
     return $this;
   }
 
   public function buildSavedQueryFromBuiltin($query_key) {
     $query = $this->newSavedQuery();
     $query->setQueryKey($query_key);
 
     switch ($query_key) {
       case 'month':
         return $query->setParameter('display', 'month');
       case 'day':
         return $query->setParameter('display', 'day');
       case 'upcoming':
         return $query->setParameter('upcoming', true);
       case 'all':
         return $query;
     }
 
     return parent::buildSavedQueryFromBuiltin($query_key);
   }
 
   protected function getRequiredHandlePHIDsForResultList(
     array $objects,
     PhabricatorSavedQuery $query) {
     $phids = array();
     foreach ($objects as $event) {
       $phids[$event->getUserPHID()] = 1;
     }
     return array_keys($phids);
   }
 
   protected function renderResultList(
     array $events,
     PhabricatorSavedQuery $query,
     array $handles) {
 
     if ($query->getParameter('display') == 'month') {
       return $this->buildCalendarView($events, $query, $handles);
     } else if ($query->getParameter('display') == 'day') {
       return $this->buildCalendarDayView($events, $query, $handles);
     }
 
     assert_instances_of($events, 'PhabricatorCalendarEvent');
     $viewer = $this->requireViewer();
     $list = new PHUIObjectItemListView();
     foreach ($events as $event) {
       $href = '/E'.$event->getID();
       $from = phabricator_datetime($event->getDateFrom(), $viewer);
       $to   = phabricator_datetime($event->getDateTo(), $viewer);
       $creator_handle = $handles[$event->getUserPHID()];
 
       $name = (strlen($event->getName())) ?
         $event->getName() : $event->getTerseSummary($viewer);
 
       $color = ($event->getStatus() == PhabricatorCalendarEvent::STATUS_AWAY)
         ? 'red'
         : 'yellow';
 
       $item = id(new PHUIObjectItemView())
         ->setHeader($name)
         ->setHref($href)
         ->setBarColor($color)
         ->addByline(pht('Creator: %s', $creator_handle->renderLink()))
         ->addAttribute(pht('From %s to %s', $from, $to))
         ->addAttribute(id(new PhutilUTF8StringTruncator())
           ->setMaximumGlyphs(64)
           ->truncateString($event->getDescription()));
 
       $list->addItem($item);
     }
 
     return $list;
   }
 
   private function buildCalendarView(
     array $statuses,
     PhabricatorSavedQuery $query,
     array $handles) {
     $viewer = $this->requireViewer();
     $now = time();
 
     list($start_year, $start_month) =
       $this->getDisplayYearAndMonthAndDay($query);
 
     $now_year  = phabricator_format_local_time($now, $viewer, 'Y');
     $now_month = phabricator_format_local_time($now, $viewer, 'm');
     $now_day   = phabricator_format_local_time($now, $viewer, 'j');
 
     if ($start_month == $now_month && $start_year == $now_year) {
       $month_view = new PHUICalendarMonthView(
         $start_month,
         $start_year,
         $now_day);
     } else {
       $month_view = new PHUICalendarMonthView(
         $start_month,
         $start_year);
     }
 
     $month_view->setUser($viewer);
 
     $phids = mpull($statuses, 'getUserPHID');
 
     /* Assign Colors */
     $unique = array_unique($phids);
     $allblue = false;
     $calcolors = CalendarColors::getColors();
     if (count($unique) > count($calcolors)) {
       $allblue = true;
     }
     $i = 0;
     $eventcolor = array();
     foreach ($unique as $phid) {
       if ($allblue) {
         $eventcolor[$phid] = CalendarColors::COLOR_SKY;
       } else {
         $eventcolor[$phid] = $calcolors[$i];
       }
       $i++;
     }
 
     foreach ($statuses as $status) {
       $event = new AphrontCalendarEventView();
       $event->setEpochRange($status->getDateFrom(), $status->getDateTo());
 
       $name_text = $handles[$status->getUserPHID()]->getName();
       $status_text = $status->getHumanStatus();
       $event->setUserPHID($status->getUserPHID());
       $event->setDescription(pht('%s (%s)', $name_text, $status_text));
       $event->setName($status_text);
       $event->setEventID($status->getID());
       $event->setColor($eventcolor[$status->getUserPHID()]);
       $month_view->addEvent($event);
     }
 
     $month_view->setBrowseURI(
       $this->getURI('query/'.$query->getQueryKey().'/'));
 
     return $month_view;
   }
 
   private function buildCalendarDayView(
     array $statuses,
     PhabricatorSavedQuery $query,
     array $handles) {
     $viewer = $this->requireViewer();
     list($start_year, $start_month, $start_day) =
       $this->getDisplayYearAndMonthAndDay($query);
 
     $day_view = new PHUICalendarDayView(
+      $this->getDateFrom($query),
+      $this->getDateTo($query),
       $start_year,
       $start_month,
       $start_day);
 
     $day_view->setUser($viewer);
 
     $phids = mpull($statuses, 'getUserPHID');
 
     foreach ($statuses as $status) {
       if ($status->getIsCancelled()) {
         continue;
       }
 
       $event = new AphrontCalendarEventView();
       $event->setEventID($status->getID());
       $event->setEpochRange($status->getDateFrom(), $status->getDateTo());
       $event->setIsAllDay($status->getIsAllDay());
 
       $event->setName($status->getName());
       $event->setURI('/'.$status->getMonogram());
       $day_view->addEvent($event);
     }
 
     $day_view->setBrowseURI(
       $this->getURI('query/'.$query->getQueryKey().'/'));
 
     return $day_view;
   }
 
   private function getDisplayYearAndMonthAndDay(
     PhabricatorSavedQuery $query) {
     $viewer = $this->requireViewer();
     if ($this->calendarYear && $this->calendarMonth) {
       $start_year = $this->calendarYear;
       $start_month = $this->calendarMonth;
       $start_day = $this->calendarDay ? $this->calendarDay : 1;
     } else {
       $epoch = $this->getDateFrom($query)->getEpoch();
       if (!$epoch) {
         $epoch = $this->getDateTo($query)->getEpoch();
         if (!$epoch) {
           $epoch = time();
         }
       }
       $start_year = phabricator_format_local_time($epoch, $viewer, 'Y');
       $start_month = phabricator_format_local_time($epoch, $viewer, 'm');
       $start_day = phabricator_format_local_time($epoch, $viewer, 'd');
     }
     return array($start_year, $start_month, $start_day);
   }
 
   public function getPageSize(PhabricatorSavedQuery $saved) {
     return $saved->getParameter('limit', 1000);
   }
 
   private function getDateFrom(PhabricatorSavedQuery $saved) {
     return $this->getDate($saved, 'rangeStart');
   }
 
   private function getDateTo(PhabricatorSavedQuery $saved) {
     return $this->getDate($saved, 'rangeEnd');
   }
 
   private function getDate(PhabricatorSavedQuery $saved, $key) {
     $viewer = $this->requireViewer();
 
     $wild = $saved->getParameter($key);
     if ($wild) {
       $value = AphrontFormDateControlValue::newFromWild($viewer, $wild);
     } else {
       $value = AphrontFormDateControlValue::newFromEpoch(
         $viewer,
         PhabricatorTime::getTodayMidnightDateTime($viewer)->format('U'));
       $value->setEnabled(false);
     }
 
     $value->setOptional(true);
 
     return $value;
   }
 
 }
diff --git a/src/view/phui/calendar/PHUICalendarDayView.php b/src/view/phui/calendar/PHUICalendarDayView.php
index 1f708912fa..3df6d26d3d 100644
--- a/src/view/phui/calendar/PHUICalendarDayView.php
+++ b/src/view/phui/calendar/PHUICalendarDayView.php
@@ -1,500 +1,524 @@
 <?php
 
 final class PHUICalendarDayView extends AphrontView {
+  private $rangeStart;
+  private $rangeEnd;
 
   private $day;
   private $month;
   private $year;
   private $browseURI;
   private $events = array();
   private $todayEvents = array();
 
   private $allDayEvents = array();
 
   public function addEvent(AphrontCalendarEventView $event) {
     $this->events[] = $event;
     return $this;
   }
 
   public function setBrowseURI($browse_uri) {
     $this->browseURI = $browse_uri;
     return $this;
   }
   private function getBrowseURI() {
     return $this->browseURI;
   }
 
-  public function __construct($year, $month, $day = null) {
+  public function __construct(
+    $range_start,
+    $range_end,
+    $year,
+    $month,
+    $day = null) {
+
+    $this->rangeStart = $range_start;
+    $this->rangeEnd = $range_end;
+
     $this->day = $day;
     $this->month = $month;
     $this->year = $year;
   }
 
   public function render() {
     require_celerity_resource('phui-calendar-day-css');
 
     $hours = $this->getHoursOfDay();
     $hourly_events = array();
 
     $first_event_hour = null;
 
     $all_day_events = $this->getAllDayEvents();
     $today_all_day_events = array();
 
     $day_start = $this->getDateTime();
     $day_end = id(clone $day_start)->modify('+1 day');
 
     $day_start = $day_start->format('U');
-    $day_end = $day_end->format('U');
+    $day_end = $day_end->format('U') - 1;
 
     foreach ($all_day_events as $all_day_event) {
       $all_day_start = $all_day_event->getEpochStart();
       $all_day_end = $all_day_event->getEpochEnd();
 
       if ($all_day_start < $day_end && $all_day_end > $day_start) {
         $today_all_day_events[] = $all_day_event;
       }
     }
 
     foreach ($hours as $hour) {
       $current_hour_events = array();
       $hour_start = $hour->format('U');
       $hour_end = id(clone $hour)->modify('+1 hour')->format('U');
 
       foreach ($this->events as $event) {
           if ($event->getIsAllDay()) {
             continue;
           }
         if ($event->getEpochStart() >= $hour_start
           && $event->getEpochStart() < $hour_end) {
           $current_hour_events[] = $event;
           $this->todayEvents[] = $event;
         }
       }
       foreach ($current_hour_events as $event) {
         $event_start = $event->getEpochStart();
         $event_end = $event->getEpochEnd();
 
         $top = (($event_start - $hour_start) / ($hour_end - $hour_start))
           * 100;
         $top = max(0, $top);
 
         $height = (($event_end - $event_start) / ($hour_end - $hour_start))
           * 100;
         $height = min(2400, $height);
 
         if ($first_event_hour === null) {
           $first_event_hour = $hour;
         }
 
         $hourly_events[$event->getEventID()] = array(
           'hour' => $hour,
           'event' => $event,
           'offset' => '0',
           'width' => '100%',
           'top' => $top.'%',
           'height' => $height.'%',
         );
       }
     }
 
     $clusters = $this->findTodayClusters();
     foreach ($clusters as $cluster) {
       $hourly_events = $this->updateEventsFromCluster(
         $cluster,
         $hourly_events);
     }
 
     $rows = array();
 
     foreach ($hours as $hour) {
       $early_hours = array(8);
       if ($first_event_hour) {
         $early_hours[] = $first_event_hour->format('G');
       }
       if ($hour->format('G') < min($early_hours)) {
         continue;
       }
 
       $drawn_hourly_events = array();
       $cell_time = phutil_tag(
         'td',
         array('class' => 'phui-calendar-day-hour'),
         $hour->format('g A'));
 
       foreach ($hourly_events as $hourly_event) {
         if ($hourly_event['hour'] == $hour) {
 
           $drawn_hourly_events[] = $this->drawEvent(
             $hourly_event['event'],
             $hourly_event['offset'],
             $hourly_event['width'],
             $hourly_event['top'],
             $hourly_event['height']);
         }
       }
       $cell_event = phutil_tag(
         'td',
         array('class' => 'phui-calendar-day-events'),
         $drawn_hourly_events);
 
       $row = phutil_tag(
         'tr',
         array(),
         array($cell_time, $cell_event));
 
       $rows[] = $row;
     }
 
     $table = phutil_tag(
       'table',
       array('class' => 'phui-calendar-day-view'),
       $rows);
 
     $all_day_event_box = new PHUIBoxView();
     foreach ($today_all_day_events as $all_day_event) {
       $all_day_event_box->appendChild(
         $this->drawAllDayEvent($all_day_event));
     }
 
     $header = $this->renderDayViewHeader();
     $sidebar = $this->renderSidebar();
 
+    $errors = array();
+
+    $range_start_epoch = $this->rangeStart->getEpoch();
+    $range_end_epoch = $this->rangeEnd->getEpoch();
+
+    if (($range_start_epoch != null &&
+        $range_start_epoch < $day_end &&
+        $range_start_epoch > $day_start) ||
+      ($range_end_epoch != null &&
+        $range_end_epoch < $day_end &&
+        $range_end_epoch > $day_start)) {
+      $errors[] = pht('Part of the day is out of range');
+    }
+
+    if (($this->rangeEnd->getEpoch() != null &&
+        $this->rangeEnd->getEpoch() < $day_start) ||
+      ($this->rangeStart->getEpoch() != null &&
+        $this->rangeStart->getEpoch() > $day_end)) {
+      $errors[] = pht('Day is out of query range');
+    }
+
     $table_box = id(new PHUIObjectBoxView())
       ->setHeader($header)
       ->appendChild($all_day_event_box)
       ->appendChild($table)
+      ->setFormErrors($errors)
       ->setFlush(true);
 
     $layout = id(new AphrontMultiColumnView())
       ->addColumn($sidebar, 'third')
       ->addColumn($table_box, 'thirds')
       ->setFluidLayout(true)
       ->setGutter(AphrontMultiColumnView::GUTTER_MEDIUM);
 
     return phutil_tag(
       'div',
         array(
           'class' => 'ml',
         ),
         $layout);
   }
 
   private function getAllDayEvents() {
     $all_day_events = array();
 
     foreach ($this->events as $event) {
       if ($event->getIsAllDay()) {
         $all_day_events[] = $event;
       }
     }
 
     $all_day_events = array_values(msort($all_day_events, 'getEpochStart'));
     return $all_day_events;
   }
 
   private function renderSidebar() {
     $this->events = msort($this->events, 'getEpochStart');
     $week_of_boxes = $this->getWeekOfBoxes();
     $filled_boxes = array();
 
     foreach ($week_of_boxes as $day_box) {
       $box_start = $day_box['start'];
       $box_end = id(clone $box_start)->modify('+1 day');
 
       $box_start = $box_start->format('U');
       $box_end = $box_end->format('U');
 
       $box_events = array();
 
       foreach ($this->events as $event) {
         $event_start = $event->getEpochStart();
         $event_end = $event->getEpochEnd();
 
         if ($event_start < $box_end && $event_end > $box_start) {
           $box_events[] = $event;
         }
       }
 
       $filled_boxes[] = $this->renderSidebarBox(
         $box_events,
         $day_box['title']);
     }
 
     return $filled_boxes;
   }
 
   private function renderSidebarBox($events, $title) {
     $widget = new PHUICalendarWidgetView();
 
     $list = id(new PHUICalendarListView())
       ->setUser($this->user);
 
     if (count($events) == 0) {
       $list->showBlankState(true);
     } else {
       foreach ($events as $event) {
         $list->addEvent($event);
       }
     }
 
     $widget
       ->setCalendarList($list)
       ->setHeader($title);
     return $widget;
   }
 
   private function getWeekOfBoxes() {
     $sidebar_day_boxes = array();
 
     $display_start_day = $this->getDateTime();
     $display_end_day = id(clone $display_start_day)->modify('+6 day');
 
     $box_start_time = clone $display_start_day;
 
     $today_time = PhabricatorTime::getTodayMidnightDateTime($this->user);
     $tomorrow_time = clone $today_time;
     $tomorrow_time->modify('+1 day');
 
     while ($box_start_time <= $display_end_day) {
       if ($box_start_time == $today_time) {
         $title = pht('Today');
       } else if ($box_start_time == $tomorrow_time) {
         $title = pht('Tomorrow');
       } else {
         $title = $box_start_time->format('l');
       }
 
       $sidebar_day_boxes[] = array(
         'title' => $title,
         'start' => clone $box_start_time,
         );
 
       $box_start_time->modify('+1 day');
     }
     return $sidebar_day_boxes;
   }
 
   private function renderDayViewHeader() {
     $button_bar = null;
-
-    // check for a browseURI, which means we need "fancy" prev / next UI
     $uri = $this->getBrowseURI();
     if ($uri) {
       list($prev_year, $prev_month, $prev_day) = $this->getPrevDay();
       $prev_uri = $uri.$prev_year.'/'.$prev_month.'/'.$prev_day.'/';
 
       list($next_year, $next_month, $next_day) = $this->getNextDay();
       $next_uri = $uri.$next_year.'/'.$next_month.'/'.$next_day.'/';
 
       $button_bar = new PHUIButtonBarView();
 
       $left_icon = id(new PHUIIconView())
           ->setIconFont('fa-chevron-left bluegrey');
       $left = id(new PHUIButtonView())
         ->setTag('a')
         ->setColor(PHUIButtonView::GREY)
         ->setHref($prev_uri)
         ->setTitle(pht('Previous Day'))
         ->setIcon($left_icon);
 
       $right_icon = id(new PHUIIconView())
           ->setIconFont('fa-chevron-right bluegrey');
       $right = id(new PHUIButtonView())
         ->setTag('a')
         ->setColor(PHUIButtonView::GREY)
         ->setHref($next_uri)
         ->setTitle(pht('Next Day'))
         ->setIcon($right_icon);
 
       $button_bar->addButton($left);
       $button_bar->addButton($right);
 
     }
 
-    $day_of_week = $this->getDayOfWeek();
-    $header_text = $this->getDateTime()->format('F j, Y');
-    $header_text = $day_of_week.', '.$header_text;
+    $display_day = $this->getDateTime();
+    $header_text = $display_day->format('l, F j, Y');
 
     $header = id(new PHUIHeaderView())
       ->setHeader($header_text);
 
     if ($button_bar) {
       $header->setButtonBar($button_bar);
     }
 
     return $header;
   }
 
   private function updateEventsFromCluster($cluster, $hourly_events) {
     $cluster_size = count($cluster);
     $n = 0;
     foreach ($cluster as $cluster_member) {
       $event_id = $cluster_member->getEventID();
       $offset = (($n / $cluster_size) * 100).'%';
       $width = ((1 / $cluster_size) * 100).'%';
 
       if (isset($hourly_events[$event_id])) {
         $hourly_events[$event_id]['offset'] = $offset;
         $hourly_events[$event_id]['width'] = $width;
       }
       $n++;
     }
 
     return $hourly_events;
   }
 
   private function drawAllDayEvent(AphrontCalendarEventView $event) {
     $name = phutil_tag(
       'a',
       array(
         'class' => 'all-day',
         'href' => $event->getURI(),
       ),
       $event->getName());
 
     $all_day_label = phutil_tag(
       'span',
       array(
         'class' => 'phui-calendar-all-day-label',
       ),
       pht('All Day'));
 
     $div = phutil_tag(
       'div',
       array(
         'class' => 'phui-calendar-day-event',
       ),
       array(
         $all_day_label,
         $name,
       ));
 
     return $div;
   }
 
   private function drawEvent(
     AphrontCalendarEventView $event,
     $offset,
     $width,
     $top,
     $height) {
     $name = phutil_tag(
       'a',
       array(
         'class' => 'phui-calendar-day-event-link',
         'href' => $event->getURI(),
       ),
       $event->getName());
 
     $div = phutil_tag(
       'div',
       array(
         'class' => 'phui-calendar-day-event',
         'style' => 'left: '.$offset
           .'; width: '.$width
           .'; top: '.$top
           .'; height: '.$height
           .';',
       ),
       $name);
 
     return $div;
   }
 
-  private function getDayOfWeek() {
-    $date = $this->getDateTime();
-    $day_of_week = $date->format('l');
-    return $day_of_week;
-  }
-
   // returns DateTime of each hour in the day
   private function getHoursOfDay() {
     $included_datetimes = array();
 
     $day_datetime = $this->getDateTime();
     $day_epoch = $day_datetime->format('U');
 
     $day_datetime->modify('+1 day');
     $next_day_epoch = $day_datetime->format('U');
 
     $included_time = $day_epoch;
     $included_datetime = $this->getDateTime();
 
     while ($included_time < $next_day_epoch) {
       $included_datetimes[] = clone $included_datetime;
 
       $included_datetime->modify('+1 hour');
       $included_time = $included_datetime->format('U');
     }
 
     return $included_datetimes;
   }
 
   private function getPrevDay() {
     $prev = $this->getDateTime();
     $prev->modify('-1 day');
     return array(
       $prev->format('Y'),
       $prev->format('m'),
       $prev->format('d'),
     );
   }
 
   private function getNextDay() {
     $next = $this->getDateTime();
     $next->modify('+1 day');
     return array(
       $next->format('Y'),
       $next->format('m'),
       $next->format('d'),
     );
   }
 
   private function getDateTime() {
     $user = $this->user;
     $timezone = new DateTimeZone($user->getTimezoneIdentifier());
 
     $day = $this->day;
     $month = $this->month;
     $year = $this->year;
 
     $date = new DateTime("{$year}-{$month}-{$day} ", $timezone);
 
     return $date;
   }
 
   private function findTodayClusters() {
     $events = msort($this->todayEvents, 'getEpochStart');
     $clusters = array();
 
     foreach ($events as $event) {
       $destination_cluster_key = null;
       $event_start = $event->getEpochStart();
       $event_end = $event->getEpochEnd();
 
       foreach ($clusters as $key => $cluster) {
         foreach ($cluster as $clustered_event) {
           $compare_event_start = $clustered_event->getEpochStart();
           $compare_event_end = $clustered_event->getEpochEnd();
 
           if ($event_start < $compare_event_end
             && $event_end > $compare_event_start) {
             $destination_cluster_key = $key;
             break;
           }
         }
       }
 
       if ($destination_cluster_key !== null) {
         $clusters[$destination_cluster_key][] = $event;
       } else {
         $next_cluster = array();
         $next_cluster[] = $event;
         $clusters[] = $next_cluster;
       }
     }
 
     return $clusters;
   }
 }