diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,7 +7,7 @@
 return array(
   'names' =>
   array(
-    'core.pkg.css' => '232fd038',
+    'core.pkg.css' => '030f12e5',
     'core.pkg.js' => '417722ff',
     'darkconsole.pkg.js' => 'ca8671ce',
     'differential.pkg.css' => '12c11318',
@@ -113,7 +113,7 @@
     'rsrc/css/core/core.css' => 'da26ddb2',
     'rsrc/css/core/remarkup.css' => '0923dbd6',
     'rsrc/css/core/syntax.css' => '3c18c1cb',
-    'rsrc/css/core/z-index.css' => 'edd5911b',
+    'rsrc/css/core/z-index.css' => '0d89d53c',
     'rsrc/css/diviner/diviner-shared.css' => '38813222',
     'rsrc/css/font/font-source-sans-pro.css' => '225851dd',
     'rsrc/css/layout/phabricator-action-header-view.css' => 'c14dfc57',
@@ -125,7 +125,7 @@
     'rsrc/css/layout/phabricator-source-code-view.css' => '62a99814',
     'rsrc/css/phui/calendar/phui-calendar-day.css' => 'de035c8a',
     'rsrc/css/phui/calendar/phui-calendar-list.css' => 'c1d0ca59',
-    'rsrc/css/phui/calendar/phui-calendar-month.css' => '5e762971',
+    'rsrc/css/phui/calendar/phui-calendar-month.css' => 'a92e47d2',
     'rsrc/css/phui/calendar/phui-calendar.css' => '5e1ad989',
     'rsrc/css/phui/phui-box.css' => 'a36cf3a5',
     'rsrc/css/phui/phui-button.css' => '653ac588',
@@ -729,7 +729,7 @@
     'phabricator-uiexample-reactor-select' => '189e4fe3',
     'phabricator-uiexample-reactor-sendclass' => 'bf97561d',
     'phabricator-uiexample-reactor-sendproperties' => '551add57',
-    'phabricator-zindex-css' => 'edd5911b',
+    'phabricator-zindex-css' => '0d89d53c',
     'phame-css' => '450826e1',
     'pholio-css' => '2fa97dbe',
     'pholio-edit-css' => 'b9e59b6d',
@@ -743,7 +743,7 @@
     'phui-calendar-css' => '5e1ad989',
     'phui-calendar-day-css' => 'de035c8a',
     'phui-calendar-list-css' => 'c1d0ca59',
-    'phui-calendar-month-css' => '5e762971',
+    'phui-calendar-month-css' => 'a92e47d2',
     'phui-document-view-css' => '3b078dc0',
     'phui-feed-story-css' => '3a59c2cf',
     'phui-fontkit-css' => 'de84aa4a',
diff --git a/webroot/rsrc/css/core/z-index.css b/webroot/rsrc/css/core/z-index.css
--- a/webroot/rsrc/css/core/z-index.css
+++ b/webroot/rsrc/css/core/z-index.css
@@ -38,6 +38,10 @@
   z-index: 3;
 }
 
+.phabricator-crumbs-view {
+  z-index: 3;
+}
+
 .phabricator-nav-local {
   z-index: 4;
 }
@@ -67,8 +71,8 @@
   z-index: 5;
 }
 
-.phabricator-crumbs-view {
-  z-index: 3;
+.phui-calendar-date-number  {
+  z-index: 5;
 }
 
 .phabricator-main-menu {
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
@@ -51,7 +51,6 @@
   text-align: center;
   top: 0;
   right: 0;
-  z-index: 10;
 }
 
 .phui-calendar-not-work-day {