diff --git a/src/Controller/QuickEntryController.php b/src/Controller/QuickEntryController.php
index 0efd95b2..9f775458 100644
--- a/src/Controller/QuickEntryController.php
+++ b/src/Controller/QuickEntryController.php
@@ -118,7 +118,7 @@ class QuickEntryController extends AbstractController
             ];
         }
 
-        $beginTime = $this->configuration->getTimesheetDefaultBeginTime();
+        $beginTime = $factory->createDateTime($this->configuration->getTimesheetDefaultBeginTime())->format('H:i:s');
 
         // fill all rows and columns to make sure we do not have missing records
         /** @var QuickEntryModel[] $models */
diff --git a/src/Timesheet/TrackingMode/DurationFixedBeginMode.php b/src/Timesheet/TrackingMode/DurationFixedBeginMode.php
index 279935bf..eb04c5c4 100644
--- a/src/Timesheet/TrackingMode/DurationFixedBeginMode.php
+++ b/src/Timesheet/TrackingMode/DurationFixedBeginMode.php
@@ -55,7 +55,11 @@ final class DurationFixedBeginMode implements TrackingModeInterface
         }
 
         $newBegin = clone $timesheet->getBegin();
-        $newBegin->modify($this->configuration->getTimesheetDefaultBeginTime());
+
+        // this prevents the problem that "now" is being ignored in modify()
+        $beginTime = (new DateTime($this->configuration->getTimesheetDefaultBeginTime(), $newBegin->getTimezone()))->format('H:i:s');
+        $newBegin->modify($beginTime);
+
         $timesheet->setBegin($newBegin);
     }
 
diff --git a/src/Timesheet/TrackingMode/DurationOnlyMode.php b/src/Timesheet/TrackingMode/DurationOnlyMode.php
index 742b269f..ab6a5ca4 100644
--- a/src/Timesheet/TrackingMode/DurationOnlyMode.php
+++ b/src/Timesheet/TrackingMode/DurationOnlyMode.php
@@ -63,7 +63,12 @@ final class DurationOnlyMode extends AbstractTrackingMode
         }
 
         $newBegin = clone $timesheet->getBegin();
-        $newBegin->modify($this->configuration->getTimesheetDefaultBeginTime());
+
+        // this prevents the problem that "now" is being ignored in modify()
+        $beginTime = $this->configuration->getTimesheetDefaultBeginTime();
+        $beginTime = (new DateTime($this->configuration->getTimesheetDefaultBeginTime(), $newBegin->getTimezone()))->format('H:i:s');
+        $newBegin->modify($beginTime);
+
         $timesheet->setBegin($newBegin);
 
         parent::create($timesheet, $request);
diff --git a/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php b/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php
index 2e34e450..522fc565 100644
--- a/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php
+++ b/tests/Timesheet/TrackingMode/DurationFixedBeginModeTest.php
@@ -22,10 +22,10 @@ use Symfony\Component\HttpFoundation\Request;
  */
 class DurationFixedBeginModeTest extends TestCase
 {
-    protected function createSut()
+    protected function createSut($default = '13:47')
     {
         $loader = new TestConfigLoader([]);
-        $configuration = new SystemConfiguration($loader, ['timesheet' => ['default_begin' => '13:47']]);
+        $configuration = new SystemConfiguration($loader, ['timesheet' => ['default_begin' => $default]]);
 
         return new DurationFixedBeginMode($configuration);
     }
@@ -42,6 +42,18 @@ class DurationFixedBeginModeTest extends TestCase
         self::assertEquals('duration_fixed_begin', $sut->getId());
     }
 
+    public function testNow()
+    {
+        $seconds = (new \DateTime())->getTimestamp();
+        $timesheet = new Timesheet();
+        $timesheet->setBegin(new \DateTime('18:50:32'));
+        $mode = $this->createSut('now');
+        $mode->create($timesheet);
+        $diff = $timesheet->getBegin()->getTimestamp() - $seconds;
+        // amount of seconds doesn't really matter, it must only be near "now"
+        self::assertLessThanOrEqual(2, $diff);
+    }
+
     public function testCreate()
     {
         $timesheet = new Timesheet();
diff --git a/tests/Timesheet/TrackingMode/DurationOnlyModeTest.php b/tests/Timesheet/TrackingMode/DurationOnlyModeTest.php
index fe1278a4..e57f4b0e 100644
--- a/tests/Timesheet/TrackingMode/DurationOnlyModeTest.php
+++ b/tests/Timesheet/TrackingMode/DurationOnlyModeTest.php
@@ -25,14 +25,26 @@ class DurationOnlyModeTest extends AbstractTrackingModeTest
         self::assertEquals('13:45:37', $timesheet->getBegin()->format('H:i:s'));
     }
 
-    protected function createSut()
+    protected function createSut($default = '13:45:37')
     {
         $loader = new TestConfigLoader([]);
-        $configuration = new SystemConfiguration($loader, ['timesheet' => ['default_begin' => '13:45:37']]);
+        $configuration = new SystemConfiguration($loader, ['timesheet' => ['default_begin' => $default]]);
 
         return new DurationOnlyMode($configuration);
     }
 
+    public function testNow()
+    {
+        $seconds = (new \DateTime())->getTimestamp();
+        $timesheet = new Timesheet();
+        $timesheet->setBegin(new \DateTime('18:50:32'));
+        $mode = $this->createSut('now');
+        $mode->create($timesheet);
+        $diff = $timesheet->getBegin()->getTimestamp() - $seconds;
+        // amount of seconds doesn't really matter, it must only be near "now"
+        self::assertLessThanOrEqual(2, $diff);
+    }
+
     public function testDefaultValues()
     {
         $sut = $this->createSut();