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@@ -1680,12 +1680,23 @@ function drawFishShadows(t) {
   
   // Calculate sun position based on raw day phase (linear progression)
   const p = ((t / CYCLE) % 1 + 1) % 1; // 0 to 1, linear throughout the day
-  // Sun moves from left to right across the sky during the day
-  // p=0 (dawn): sun on left, shadows point right
-  // p=0.5 (noon): sun overhead, shadows are short and straight down
-  // p=1 (dusk): sun on right, shadows point left
-  const sunAngle = (p - 0.5) * Math.PI * 0.8; // -1.25 to +1.25 radians
-  const shadowAngle = Math.atan2(1, Math.tan(sunAngle + Math.PI/2)); // convert to shadow angle
+  // Daytime is p=0 to p=0.5 (DUSK_START), night is p=0.5833 to p=0.9167
+  // Sun moves from left to right across the sky during the day only
+  let sunPhase;
+  if (p < DUSK_START) {
+    // Daytime: sun moves from left to right
+    sunPhase = p / DUSK_START; // 0 to 1 during daytime
+  } else if (p < DAWN_START) {
+    // Night: sun is set, shadows are at sunset position
+    sunPhase = 1;
+  } else {
+    // Dawn: sun is rising, shadows are at sunrise position
+    sunPhase = 0;
+  }
+  
+  // Sun angle: -1.25 to +1.25 radians (left to right)
+  const sunAngle = (sunPhase - 0.5) * Math.PI * 0.8;
+  const shadowAngle = Math.atan2(1, Math.tan(sunAngle + Math.PI/2));
   
   for (const f of fishes) {
     // Fish blocks light, casting a shadow that extends down to the sand at an angle