Timezone-Aware Email Notifications in Laravel: Sending at 8 AM in Every User’s Local Time

The problem sounds simple: send a study reminder email at 8 AM. The catch is that your users live in Tokyo, Rome, New York, and Nairobi. Here’s how to build a Laravel artisan command that fires for every user at their local 8 AM , including the N+1-avoidance pattern, the deduplication scheme, and the rate-limit stagger that keeps the email provider happy.