diff --git a/resources/sql/patches/20141010.phrequent.sql b/resources/sql/patches/20141010.phrequent.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/patches/20141010.phrequent.sql
@@ -0,0 +1,3 @@
+CREATE INDEX IDX_DATE_STARTED on {$NAMESPACE}_phrequent.phrequent_usertime (dateStarted);
+CREATE INDEX IDX_DATE_ENDED on {$NAMESPACE}_phrequent.phrequent_usertime (dateEnded);
+CREATE INDEX IDX_DATE_STARTED_ENDED on {$NAMESPACE}_phrequent.phrequent_usertime (dateStarted, dateEnded);
diff --git a/src/applications/phrequent/query/PhrequentSearchEngine.php b/src/applications/phrequent/query/PhrequentSearchEngine.php
--- a/src/applications/phrequent/query/PhrequentSearchEngine.php
+++ b/src/applications/phrequent/query/PhrequentSearchEngine.php
@@ -25,6 +25,22 @@
 
     $saved->setParameter('order', $request->getStr('order'));
 
+    $saved->setParameter(
+      'after', 
+      id(new AphrontFormDateControl())
+        ->setName('after')
+        ->setAllowNull(true)
+        ->setUser($request->getUser())
+        ->readValueFromRequest($request));
+
+    $saved->setParameter(
+      'before', 
+      id(new AphrontFormDateControl())
+        ->setName('before')
+        ->setAllowNull(true)
+        ->setUser($request->getUser())
+        ->readValueFromRequest($request));
+
     return $saved;
   }
 
@@ -46,6 +62,16 @@
     if ($order != null) {
       $query->setOrder($order);
     }
+    
+    $after = $saved->getParameter('after');
+    if ($after != null) {
+      $query->afterDate($after);
+    }
+    
+    $before = $saved->getParameter('before');
+    if ($before != null) {
+      $query->beforeDate($before);
+    }
 
     return $query;
   }
@@ -54,11 +80,15 @@
     AphrontFormView $form,
     PhabricatorSavedQuery $saved_query) {
 
+    $user = $this->requireViewer();
+
     $user_phids = $saved_query->getParameter('userPHIDs', array());
     $ended = $saved_query->getParameter(
       'ended', PhrequentUserTimeQuery::ENDED_ALL);
     $order = $saved_query->getParameter(
       'order', PhrequentUserTimeQuery::ORDER_ENDED_DESC);
+    $after = $saved_query->getParameter('after', null);
+    $before = $saved_query->getParameter('before', null);
 
     $phids = array_merge($user_phids);
     $handles = id(new PhabricatorHandleQuery())
@@ -84,7 +114,23 @@
           ->setLabel(pht('Order'))
           ->setName('order')
           ->setValue($order)
-          ->setOptions(PhrequentUserTimeQuery::getOrderSearchOptions()));
+          ->setOptions(PhrequentUserTimeQuery::getOrderSearchOptions()))
+      ->appendChild(
+        id(new AphrontFormDateControl())
+          ->setLabel(pht('After'))
+          ->setName('after')
+          ->setUser($user)
+          ->setValue($after)
+          ->setAllowNull(true)
+          ->setInitialTime(AphrontFormDateControl::TIME_START_OF_DAY))
+      ->appendChild(
+        id(new AphrontFormDateControl())
+          ->setLabel(pht('Before'))
+          ->setName('before')
+          ->setUser($user)
+          ->setValue($before)
+          ->setAllowNull(true)
+          ->setInitialTime(AphrontFormDateControl::TIME_END_OF_DAY));
   }
 
   protected function getURI($path) {
diff --git a/src/applications/phrequent/query/PhrequentUserTimeQuery.php b/src/applications/phrequent/query/PhrequentUserTimeQuery.php
--- a/src/applications/phrequent/query/PhrequentUserTimeQuery.php
+++ b/src/applications/phrequent/query/PhrequentUserTimeQuery.php
@@ -16,13 +16,21 @@
   const ENDED_NO  = 1;
   const ENDED_ALL = 2;
 
+  private $ids;
   private $userPHIDs;
   private $objectPHIDs;
+  private $afterDate;
+  private $beforeDate;
   private $order = self::ORDER_ID_ASC;
   private $ended = self::ENDED_ALL;
 
   private $needPreemptingEvents;
 
+  public function withIDs($ids) {
+    $this->ids = $ids;
+    return $this;
+  }
+  
   public function withUserPHIDs($user_phids) {
     $this->userPHIDs = $user_phids;
     return $this;
@@ -33,6 +41,16 @@
     return $this;
   }
 
+  public function afterDate($after_date) {
+    $this->afterDate = $after_date;
+    return $this;
+  }
+
+  public function beforeDate($before_date) {
+    $this->beforeDate = $before_date;
+    return $this;
+  }
+
   public function withEnded($ended) {
     $this->ended = $ended;
     return $this;
@@ -50,6 +68,13 @@
 
   private function buildWhereClause(AphrontDatabaseConnection $conn) {
     $where = array();
+    
+    if ($this->ids) {
+      $where[] = qsprintf(
+        $conn,
+        'id IN (%Ld)',
+        $this->ids);
+    }
 
     if ($this->userPHIDs) {
       $where[] = qsprintf(
@@ -81,6 +106,20 @@
       default:
         throw new Exception("Unknown ended '{$this->ended}'!");
     }
+    
+    if ($this->afterDate) {
+      $where[] = qsprintf(
+        $conn,
+        'dateEnded > %d',
+        $this->afterDate);
+    }
+    
+    if ($this->beforeDate) {
+      $where[] = qsprintf(
+        $conn,
+        'dateStarted < %d',
+        $this->beforeDate);
+    }
 
     $where[] = $this->buildPagingClause($conn);