diff --git a/public/js/main.js b/public/js/main.js
index 396f30a..03fdc83 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -401,15 +401,19 @@ function updateTimerMetrics(netElapsedSeconds) {
   // Target hours from user selection (default 8)
   const targetSeconds = targetHours * 60 * 60;
   
-  // Calculate total pause time: 30 min after 6h + 15 min after 9h
-  const pauseDuration30Min = 30 * 60; // 30 minutes in seconds
-  const pauseDuration15Min = 15 * 60; // 15 minutes in seconds
+  // Calculate required pause time based on target hours (German law)
+  let totalPauseSeconds = 0;
+  if (targetHours > 9) {
+    // More than 9h -> 45 min pause (30 + 15)
+    totalPauseSeconds = 45 * 60;
+  } else if (targetHours > 6) {
+    // More than 6h -> 30 min pause
+    totalPauseSeconds = 30 * 60;
+  }
+  // 6h or less -> no mandatory pause
   
-  // Time needed including pauses
-  // After 6h work -> 30 min pause
-  // After 9h work -> 15 min pause
-  // Total gross time = target work hours + 30min pause + 15min pause
-  const totalGrossTimeNeeded = targetSeconds + pauseDuration30Min + pauseDuration15Min;
+  // Total gross time = target work hours + pause time
+  const totalGrossTimeNeeded = targetSeconds + totalPauseSeconds;
   
   // Calculate when target will be reached (clock time)
   const targetReachedTimestamp = new Date(timerStartTime + totalGrossTimeNeeded * 1000);