diff --git a/library/Icinga/Util/Format.php b/library/Icinga/Util/Format.php
index 2b4bf9fa3..33c7ebd83 100644
--- a/library/Icinga/Util/Format.php
+++ b/library/Icinga/Util/Format.php
@@ -101,32 +101,20 @@ class Format
         return self::showHourMin($duration);
     }
 
-    protected static function showHourMin($sec, $returnPrefix = false)
+    protected static function showHourMin($sec, $includePrefix = false)
     {
         $min = floor($sec / 60);
         if ($min < 60) {
-            if ($returnPrefix) {
-                return 'For';
-            } else {
-                return $min . 'm ' . ($sec % 60) . 's';
-            }
+            return ($includePrefix ? t('for') . ' ' : '') . $min . 'm ' . ($sec % 60) . 's';
         }
         $hour = floor($min / 60);
         if ($hour < 24) {
-            if ($returnPrefix) {
-                return 'Since';
-            } else {
-                return date('H:i', time() - $sec);
-            }
-        }
-        if ($returnPrefix) {
-            return 'For';
-        } else {
-            return floor($hour / 24) . 'd ' . ($hour % 24) . 'h';
+            return ($includePrefix ? t('since') . ' ' : '') . date('H:i', time() - $sec);
         }
+        return ($includePrefix ? t('for') . ' ' : '') . floor($hour / 24) . 'd ' . ($hour % 24) . 'h';
     }
 
-    protected static function smartTimeDiff($diff, $timestamp, $returnPrefix = false)
+    protected static function smartTimeDiff($diff, $timestamp, $includePrefix = false)
     {
         if ($timestamp === null || $timestamp === false) {
             return '-';
@@ -140,19 +128,11 @@ class Format
         }
         if (abs($diff) > 3600 * 24 * 3) {
             if (date('Y') === date('Y', $timestamp)) {
-                if ($returnPrefix) {
-                    return 'Since';
-                } else {
-                    return date('d.m.', $timestamp);
-                }
-            }
-            if ($returnPrefix) {
-                return 'Since';
-            } else {
-                return date('m.Y', $timestamp);
+                return ($includePrefix ? t('since') . ' ' : '') . date('d.m.', $timestamp);
             }
+            return ($includePrefix ? t('since') . ' ' : '') . date('m.Y', $timestamp);
         }
-        return $prefix . self::showHourMin(abs($diff), $returnPrefix);
+        return $prefix . self::showHourMin(abs($diff), $includePrefix);
     }
 
     public static function timeSince($timestamp)
@@ -160,9 +140,13 @@ class Format
         return self::smartTimeDiff(time() - $timestamp, $timestamp);
     }
 
-    public static function timeSincePrefix($timestamp)
+    public static function prefixedTimeSince($timestamp, $ucfirst = false)
     {
-        return self::smartTimeDiff(time() - $timestamp, $timestamp, true);
+        $result = self::smartTimeDiff(time() - $timestamp, $timestamp, true);
+        if ($ucfirst) {
+            $result = ucfirst($result);
+        }
+        return $result;
     }
 
     public static function timeUntil($timestamp)
@@ -170,9 +154,13 @@ class Format
         return self::smartTimeDiff($timestamp - time(), $timestamp);
     }
 
-    public static function timeUntilPrefix($timestamp)
+    public static function prefixedTimeUntil($timestamp, $ucfirst)
     {
-        return self::smartTimeDiff($timestamp - time(), $timestamp, true);
+        $result = self::smartTimeDiff($timestamp - time(), $timestamp, true);
+        if ($ucfirst) {
+            $result = ucfirst($result);
+        }
+        return $result;
     }
 
     protected static function formatForUnits($value, & $units, $base)
diff --git a/library/Icinga/Web/View/helpers/format.php b/library/Icinga/Web/View/helpers/format.php
index 01ec92ea5..60861e7ee 100644
--- a/library/Icinga/Web/View/helpers/format.php
+++ b/library/Icinga/Web/View/helpers/format.php
@@ -15,9 +15,9 @@ $this->addHelperFunction('timeSince', function ($timestamp) {
         . '</span>';
 });
 
-$this->addHelperFunction('timeSincePrefix', function ($timestamp) {
+$this->addHelperFunction('prefixedTimeSince', function ($timestamp, $ucfirst = false) {
     return '<span class="timesince">'
-        . $this->translate(Format::timeSincePrefix($timestamp))
+        . Format::prefixedTimeSince($timestamp, $ucfirst)
         . ' </span>';
 });
 
@@ -28,9 +28,9 @@ $this->addHelperFunction('timeUntil', function ($timestamp) {
         . '</span>';
 });
 
-$this->addHelperFunction('timeUntilPrefix', function ($timestamp) {
+$this->addHelperFunction('prefixedTimeUntil', function ($timestamp, $ucfirst = false) {
     if (! $timestamp) return '';
     return '<span class="timeuntil">'
-        . $this->translate(Format::timeUntilPrefix($timestamp))
+        . Format::prefixedTimeUntil($timestamp, $ucfirst)
         . '</span>';
 });
diff --git a/modules/monitoring/application/clicommands/ListCommand.php b/modules/monitoring/application/clicommands/ListCommand.php
index 15224cb1a..71bf1083f 100644
--- a/modules/monitoring/application/clicommands/ListCommand.php
+++ b/modules/monitoring/application/clicommands/ListCommand.php
@@ -295,8 +295,7 @@ class ListCommand extends Command
                 $leaf,
                 $screen->underline($row->service_description),
                 $screen->colorize($utils->objectStateFlags('service', $row) . $perf, 'lightblue'),
-                strtolower(Format::timeSincePrefix($row->service_last_state_change)),
-                Format::timeSince($row->service_last_state_change)
+                Format::prefixedTimeSince($row->service_last_state_change, true)
             );
             if ($this->isVerbose) {
                 $out .= $emptyLine . preg_replace(
diff --git a/modules/monitoring/application/views/scripts/list/hosts.phtml b/modules/monitoring/application/views/scripts/list/hosts.phtml
index 2f2ddf4d3..d12b11a73 100644
--- a/modules/monitoring/application/views/scripts/list/hosts.phtml
+++ b/modules/monitoring/application/views/scripts/list/hosts.phtml
@@ -78,7 +78,7 @@ if ($hosts->count() === 0) {
 
         <strong><?= ucfirst($helper->monitoringState($host, 'host')); ?></strong><br />
         <div class="small-row">
-        <?= $this->timeSincePrefix($host->host_last_state_change) ?> <?= $this->timeSince($host->host_last_state_change); ?>
+        <?= $this->prefixedTimeSince($host->host_last_state_change, true) ?>
         <?php if ($host->host_state > 0): ?>
           <br />
           <strong><?= ($host->host_state_type === '1') ? $this->translate('Hard') : $this->translate('Soft') ?> </strong> <?= $host->host_current_check_attempt; ?>/<?= $host->host_max_check_attempts; ?>
diff --git a/modules/monitoring/application/views/scripts/list/services.phtml b/modules/monitoring/application/views/scripts/list/services.phtml
index a7d393ab6..11795da5b 100644
--- a/modules/monitoring/application/views/scripts/list/services.phtml
+++ b/modules/monitoring/application/views/scripts/list/services.phtml
@@ -41,7 +41,7 @@ foreach ($services as $service):
       <td class="state" title="<?= $helper->getStateTitle($service, 'service'); ?>">
         <strong><?= $this->translate(strtoupper($helper->monitoringState($service, 'service'))) ?></strong><br />
 
-            <?php if (!$this->compact): ?><?= $this->timeSincePrefix($service->service_last_state_change) ?> <?php endif ?><?= $this->timeSince($service->service_last_state_change); ?>
+            <?php if (!$this->compact): ?><?= $this->prefixedTimeSince($service->service_last_state_change); ?><?php else: ?><?= $this->timeSince($service->service_last_state_change); ?><?php endif ?>
             <?php if ($service->service_state > 0 && (int) $service->service_state_type === 0): ?>
               <br />
               <strong>Soft <?= $service->service_attempt ?></strong>
diff --git a/modules/monitoring/application/views/scripts/process/info.phtml b/modules/monitoring/application/views/scripts/process/info.phtml
index 57406664c..350966c49 100644
--- a/modules/monitoring/application/views/scripts/process/info.phtml
+++ b/modules/monitoring/application/views/scripts/process/info.phtml
@@ -10,7 +10,7 @@ $cf = $this->getHelper('CommandForm');
 
 <div class="content processinfo">
 <p>Backend <strong><?= $this->backendName; ?></strong>
-<?= $ps->is_currently_running === '1' ? sprintf('has been running with PID %d %s ', $ps->process_id, strtolower($this->timeSincePrefix($ps->program_start_time))) . $this->timeSince($ps->program_start_time) : 'is not running'; ?>.
+<?= $ps->is_currently_running === '1' ? sprintf('has been running with PID %d ', $ps->process_id) . $this->prefixedTimeSince($ps->program_start_time) : 'is not running'; ?>.
 
 <table class="avp">
   <tbody>
diff --git a/modules/monitoring/application/views/scripts/show/components/header.phtml b/modules/monitoring/application/views/scripts/show/components/header.phtml
index 51a8e4f05..6f4d3e058 100644
--- a/modules/monitoring/application/views/scripts/show/components/header.phtml
+++ b/modules/monitoring/application/views/scripts/show/components/header.phtml
@@ -6,7 +6,7 @@
   <tr class="state <?= $this->monitoringState($object, 'host') ?><?= $object->host_handled ? ' handled' : '' ?>">
     <td class="state"<?= $showService ? '' : ' rowspan="2"' ?>>
       <?= $this->translate($this->util()->getHostStateName($object->host_state)) ?><br />
-      <?= $this->timeSincePrefix($object->host_last_state_change) ?> <?= $this->timeSince($object->host_last_state_change) ?>
+      <?= $this->prefixedTimeSince($object->host_last_state_change, true) ?>
     </td>
     <td><b><?= $this->escape($object->host_name) ?></b><?php
  if ($object->host_address && $object->host_address !== $object->host_name): ?>
@@ -18,7 +18,7 @@
   <tr class="state <?= $this->monitoringState($object, 'service') ?><?= $object->service_handled ? ' handled' : '' ?>">
     <td class="state">
       <?= $this->translate($this->util()->getServiceStateName($object->service_state)) ?><br />
-      <?= $this->timeSincePrefix($object->service_last_state_change) ?> <?= $this->timeSince($object->service_last_state_change) ?>
+      <?= $this->prefixedTimeSince($object->service_last_state_change, true) ?>
     </td>
     <td><b><?= $this->translate('Service') ?>: <?= $this->escape($object->service_description) ?></b>