diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -5145,9 +5145,11 @@
     'PhabricatorWorkerDestructionEngineExtension' => 'infrastructure/daemon/workers/engineextension/PhabricatorWorkerDestructionEngineExtension.php',
     'PhabricatorWorkerLeaseQuery' => 'infrastructure/daemon/workers/query/PhabricatorWorkerLeaseQuery.php',
     'PhabricatorWorkerManagementCancelWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementCancelWorkflow.php',
+    'PhabricatorWorkerManagementDelayWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementDelayWorkflow.php',
     'PhabricatorWorkerManagementExecuteWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementExecuteWorkflow.php',
     'PhabricatorWorkerManagementFloodWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementFloodWorkflow.php',
     'PhabricatorWorkerManagementFreeWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementFreeWorkflow.php',
+    'PhabricatorWorkerManagementPriorityWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementPriorityWorkflow.php',
     'PhabricatorWorkerManagementRetryWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementRetryWorkflow.php',
     'PhabricatorWorkerManagementWorkflow' => 'infrastructure/daemon/workers/management/PhabricatorWorkerManagementWorkflow.php',
     'PhabricatorWorkerPermanentFailureException' => 'infrastructure/daemon/workers/exception/PhabricatorWorkerPermanentFailureException.php',
@@ -11973,9 +11975,11 @@
     'PhabricatorWorkerDestructionEngineExtension' => 'PhabricatorDestructionEngineExtension',
     'PhabricatorWorkerLeaseQuery' => 'PhabricatorQuery',
     'PhabricatorWorkerManagementCancelWorkflow' => 'PhabricatorWorkerManagementWorkflow',
+    'PhabricatorWorkerManagementDelayWorkflow' => 'PhabricatorWorkerManagementWorkflow',
     'PhabricatorWorkerManagementExecuteWorkflow' => 'PhabricatorWorkerManagementWorkflow',
     'PhabricatorWorkerManagementFloodWorkflow' => 'PhabricatorWorkerManagementWorkflow',
     'PhabricatorWorkerManagementFreeWorkflow' => 'PhabricatorWorkerManagementWorkflow',
+    'PhabricatorWorkerManagementPriorityWorkflow' => 'PhabricatorWorkerManagementWorkflow',
     'PhabricatorWorkerManagementRetryWorkflow' => 'PhabricatorWorkerManagementWorkflow',
     'PhabricatorWorkerManagementWorkflow' => 'PhabricatorManagementWorkflow',
     'PhabricatorWorkerPermanentFailureException' => 'Exception',
diff --git a/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementDelayWorkflow.php b/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementDelayWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementDelayWorkflow.php
@@ -0,0 +1,97 @@
+<?php
+
+final class PhabricatorWorkerManagementDelayWorkflow
+  extends PhabricatorWorkerManagementWorkflow {
+
+  protected function didConstruct() {
+    $this
+      ->setName('delay')
+      ->setExamples(
+        implode(
+          "\n",
+          array(
+            '**delay** __selectors__ --until __date__',
+            '**delay** __selectors__ --until __YYYY-MM-DD__',
+            '**delay** __selectors__ --until "6 hours"',
+            '**delay** __selectors__ --until now',
+          )))
+      ->setSynopsis(
+        pht(
+          'Delay execution of selected tasks until the specified time.'))
+      ->setArguments(
+        array_merge(
+          array(
+            array(
+              'name' => 'until',
+              'param' => 'date',
+              'help' => pht(
+                'Select the date or time to delay the selected tasks until.'),
+            ),
+          ),
+          $this->getTaskSelectionArguments()));
+  }
+
+  public function execute(PhutilArgumentParser $args) {
+    $viewer = $this->getViewer();
+
+    $until = $args->getArg('until');
+    $until = $this->parseTimeArgument($until);
+
+    if ($until === null) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'Specify how long to delay tasks for with "--until".'));
+    }
+
+    $tasks = $this->loadTasks($args);
+
+    if (!$tasks) {
+      $this->logWarn(
+        pht('NO TASKS'),
+        pht('No tasks selected to delay.'));
+
+      return 0;
+    }
+
+    $delay_count = 0;
+    foreach ($tasks as $task) {
+      if ($task->isArchived()) {
+        $this->logWarn(
+          pht('ARCHIVED'),
+          pht(
+            '%s is already archived, and can not be delayed.',
+            $this->describeTask($task)));
+        continue;
+      }
+
+      if ($task->getLeaseOwner()) {
+        $this->logWarn(
+          pht('LEASED'),
+          pht(
+            '% is already leased, and can not be delayed.',
+            $this->describeTask($task)));
+        continue;
+      }
+
+      $task
+        ->setLeaseExpires($until)
+        ->save();
+
+      $this->logInfo(
+        pht('DELAY'),
+        pht(
+          '%s was delayed until "%s".',
+          $this->describeTask($task),
+          phabricator_datetime($until, $viewer)));
+
+      $delay_count++;
+    }
+
+    $this->logOkay(
+      pht('DONE'),
+      pht('Delayed %s task(s).', new PhutilNumber($delay_count)));
+
+    return 0;
+  }
+
+}
diff --git a/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementPriorityWorkflow.php b/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementPriorityWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/infrastructure/daemon/workers/management/PhabricatorWorkerManagementPriorityWorkflow.php
@@ -0,0 +1,102 @@
+<?php
+
+final class PhabricatorWorkerManagementPriorityWorkflow
+  extends PhabricatorWorkerManagementWorkflow {
+
+  protected function didConstruct() {
+    $this
+      ->setName('priority')
+      ->setExamples('**priority** __selectors__ --priority __value__')
+      ->setSynopsis(
+        pht(
+          'Change the priority of selected tasks, causing them to execute '.
+          'before or after other tasks.'))
+      ->setArguments(
+        array_merge(
+          array(
+            array(
+              'name' => 'priority',
+              'param' => 'int',
+              'help' => pht(
+                'Set tasks to this priority. Tasks with a smaller priority '.
+                'value execute before tasks with a larger priority value.'),
+            ),
+          ),
+          $this->getTaskSelectionArguments()));
+  }
+
+  public function execute(PhutilArgumentParser $args) {
+    $new_priority = $args->getArg('priority');
+
+    if ($new_priority === null) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'Select a new priority for selected tasks with "--priority".'));
+    }
+
+    $new_priority = (int)$new_priority;
+    if ($new_priority <= 0) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'Priority must be a positive integer.'));
+    }
+
+    $tasks = $this->loadTasks($args);
+
+    if (!$tasks) {
+      $this->logWarn(
+        pht('NO TASKS'),
+        pht('No tasks selected to reprioritize.'));
+
+      return 0;
+    }
+
+    $priority_count = 0;
+    foreach ($tasks as $task) {
+      $can_reprioritize = !$task->isArchived();
+      if (!$can_reprioritize) {
+        $this->logWarn(
+          pht('ARCHIVED'),
+          pht(
+            '%s is already archived, and can not be reprioritized.',
+            $this->describeTask($task)));
+        continue;
+      }
+
+
+      $old_priority = (int)$task->getPriority();
+
+      if ($old_priority === $new_priority) {
+        $this->logWarn(
+          pht('UNCHANGED'),
+          pht(
+            '%s already has priority "%s".',
+            $this->describeTask($task),
+            $new_priority));
+        continue;
+      }
+
+
+      $task
+        ->setPriority($new_priority)
+        ->save();
+
+      $this->logInfo(
+        pht('PRIORITY'),
+        pht(
+          '%s was reprioritized (from "%d" to "%d").',
+          $this->describeTask($task),
+          $old_priority,
+          $new_priority));
+
+      $priority_count++;
+    }
+
+    $this->logOkay(
+      pht('DONE'),
+      pht('Reprioritized %s task(s).', new PhutilNumber($priority_count)));
+
+    return 0;
+  }
+
+}
diff --git a/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php b/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
--- a/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
+++ b/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
@@ -1759,6 +1759,36 @@
         'These inline comments will be saved and published.',
       ),
 
+      'Delayed %s task(s).' => array(
+        'Delayed 1 task.',
+        'Delayed %s tasks.',
+      ),
+
+      'Freed %s task lease(s).' => array(
+        'Freed 1 task lease.',
+        'Freed %s task leases.',
+      ),
+
+      'Cancelled %s task(s).' => array(
+        'Cancelled 1 task.',
+        'Cancelled %s tasks.',
+      ),
+
+      'Queued %s task(s) for retry.' => array(
+        'Queued 1 task for retry.',
+        'Queued %s tasks for retry.',
+      ),
+
+      'Reprioritized %s task(s).' => array(
+        'Reprioritized one task.',
+        'Reprioritized %s tasks.',
+      ),
+
+      'Executed %s task(s).' => array(
+        'Executed 1 task.',
+        'Executed %s tasks.',
+      ),
+
     );
   }