How to Async Timezone Conversion in PHP - Code Snippet

// Task: Async Timezone Conversion
// Language: PHP

function async_timezone_conversion() {
    // Implementation for Async Timezone Conversion
    $ result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Timezone Conversion
    echo("Done");
}