diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -122,7 +122,7 @@
     'rsrc/css/layout/phabricator-source-code-view.css' => '2ceee894',
     'rsrc/css/phui/calendar/phui-calendar-day.css' => '38891735',
     'rsrc/css/phui/calendar/phui-calendar-list.css' => 'c1d0ca59',
-    'rsrc/css/phui/calendar/phui-calendar-month.css' => '873e00da',
+    'rsrc/css/phui/calendar/phui-calendar-month.css' => '4c39f6d9',
     'rsrc/css/phui/calendar/phui-calendar.css' => '8675968e',
     'rsrc/css/phui/phui-action-header-view.css' => '89c497e7',
     'rsrc/css/phui/phui-action-list.css' => '4f4d09f2',
@@ -779,7 +779,7 @@
     'phui-calendar-css' => '8675968e',
     'phui-calendar-day-css' => '38891735',
     'phui-calendar-list-css' => 'c1d0ca59',
-    'phui-calendar-month-css' => '873e00da',
+    'phui-calendar-month-css' => '4c39f6d9',
     'phui-crumbs-view-css' => '594d719e',
     'phui-document-view-css' => '94d5dcd8',
     'phui-feed-story-css' => 'c9f3a0b5',
diff --git a/src/view/phui/calendar/PHUICalendarMonthView.php b/src/view/phui/calendar/PHUICalendarMonthView.php
--- a/src/view/phui/calendar/PHUICalendarMonthView.php
+++ b/src/view/phui/calendar/PHUICalendarMonthView.php
@@ -75,7 +75,7 @@
     $empty_cell = array(
         'list' => null,
         'date' => null,
-        'class' => 'phui-calendar-empty',
+        'class' => null,
       );
 
     for ($ii = 0; $ii < $empty; $ii++) {
@@ -91,10 +91,6 @@
       $class = 'phui-calendar-month-day';
       $weekday = $day->format('w');
 
-      if ($day_number == $this->day) {
-        $class .= ' phui-calendar-today';
-      }
-
       if ($holiday || $weekday == 0 || $weekday == 6) {
         $class .= ' phui-calendar-not-work-day';
       }
@@ -188,16 +184,33 @@
               'href' => $uri,
             ),
             $cell_day->format('j'));
+
         } else {
           $cell_day = null;
         }
 
+        if ($cell['date'] && $cell['date']->format('j') == $this->day) {
+          $today_class = 'phui-calendar-today-slot phui-calendar-today';
+        } else {
+          $today_class = 'phui-calendar-today-slot';
+        }
+
+        $today_slot = phutil_tag (
+          'div',
+          array(
+            'class' => $today_class,
+          ),
+          null);
+
         $cells[] = phutil_tag(
           'td',
           array(
             'class' => 'phui-calendar-date-number-container '.$class,
           ),
-          $cell_day);
+          array(
+            $cell_day,
+            $today_slot,
+          ));
       }
       $table[] = phutil_tag('tr', array(), $cells);
     }
diff --git a/webroot/rsrc/css/phui/calendar/phui-calendar-month.css b/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
--- a/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
+++ b/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
@@ -32,14 +32,10 @@
 
 table.phui-calendar-view a.phui-calendar-date-number {
   color: {$lightgreytext};
-  border-color: {$thinblueborder};
-  border-style: solid;
-  border-width: 1px 0 0 1px;
-  padding: 4px;
+  padding: 0 4px;
   display: inline-block;
   min-width: 16px;
   text-align: center;
-  background-color: #ffffff;
 }
 
 table.phui-calendar-view td.phui-calendar-date-number-container {
@@ -53,12 +49,16 @@
   background-color: {$lightgreybackground};
 }
 
-.phui-calendar-today {
-  background-color: {$lightgreen};
+.phui-calendar-today-slot {
+  display: block;
+  width: 100%;
+  height: 4px;
+  padding: 0;
+  margin: 0;
 }
 
-.phui-calendar-empty {
-  background-color: {$greybackground};
+.phui-calendar-today-slot.phui-calendar-today {
+  background-color: {$lightblueborder};
 }
 
 .phui-calendar-event-empty {