How to Async Timezone Conversion in Tcl - Code Snippet

# Task: Async Timezone Conversion
# Language: Tcl

proc async_timezone_conversion() {
    # Implementation for Async Timezone Conversion
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Timezone Conversion
    puts("Done");
}