ASked agent to fix the program using sunset time rather than midnight. Seems to be working properly now.

sunset-alarm

@@ -149,17 +149,20 @@ while true; do
     # Calculate alert window start (sunset minus specified minutes)
     ALERT_WINDOW_START=$(( SUNSET_EPOCH - (MINUTES * 60) ))
 
-    # Alert while current time is within the window (from window start until sunset)
+    # Calculate midnight of the current day
+    MIDNIGHT=$(date -d "${TODAY} +1 day" +%s)
+
+    # Alert while current time is within the window (from window start until midnight)
     if [ "$CURRENT_TIME" -ge "$ALERT_WINDOW_START" ] && \
-       [ "$CURRENT_TIME" -lt "$SUNSET_EPOCH" ]; then
+       [ "$CURRENT_TIME" -lt "$MIDNIGHT" ]; then
         show_alert
         sleep 5  # Re-alert every 5 minutes while in alert window
     else
         sleep 60
     fi
 
-    # Reset when we've passed sunset so we fetch new time tomorrow
-    if [ "$CURRENT_TIME" -ge "$SUNSET_EPOCH" ]; then
+    # Reset when we've passed midnight so we fetch new time tomorrow
+    if [ "$CURRENT_TIME" -ge "$MIDNIGHT" ]; then
         LAST_DATE=""
     fi
 done