diff --git a/search/classes/manager.php b/search/classes/manager.php
index 8760bf46d9f..fc5a7188e10 100644
--- a/search/classes/manager.php
+++ b/search/classes/manager.php
@@ -686,7 +686,7 @@ class manager {
             // Notify the engine that an area is starting.
             $this->engine->area_index_starting($searcharea, $fullindex);
 
-            $indexingstart = time();
+            $indexingstart = (int)self::get_current_time();
             $elapsed = self::get_current_time();
 
             // This is used to store this component config.
@@ -751,7 +751,7 @@ class manager {
 
                 // Store last index run once documents have been committed to the search engine.
                 set_config($varname . '_indexingstart', $indexingstart, $componentconfigname);
-                set_config($varname . '_indexingend', time(), $componentconfigname);
+                set_config($varname . '_indexingend', (int)self::get_current_time(), $componentconfigname);
                 set_config($varname . '_docsignored', $numdocsignored, $componentconfigname);
                 set_config($varname . '_docsprocessed', $numdocs, $componentconfigname);
                 set_config($varname . '_recordsprocessed', $numrecords, $componentconfigname);
diff --git a/search/tests/manager_test.php b/search/tests/manager_test.php
index 607c6413b11..95fa82c1f47 100644
--- a/search/tests/manager_test.php
+++ b/search/tests/manager_test.php
@@ -240,6 +240,9 @@ class search_manager_testcase extends advanced_testcase {
         $this->assertEquals('Frog', $added[0]->get('title'));
         $this->assertEquals('Toad', $added[1]->get('title'));
         $this->assertEquals(1, get_config($componentname, $varname . '_partial'));
+        // Whilst 2.4 seconds of "time" have elapsed, the indexing duration is
+        // measured in seconds, so should be 2.
+        $this->assertEquals(2, $searcharea->get_last_indexing_duration());
 
         // Add a label.
         $generator->create_module('label', ['course' => $course->id, 'intro' => 'Vampire']);