Another bad way to set a variable based on multiple conditions

just-as-bad-conditional.js

let friendly_timezone;
switch( tz_timezone ) {
  case 'America/New_York':
    friendly_timezone = 'Eastern';
    break;
  case 'America/Chicago':
    friendly_timezone = 'Central';
    break;
  case 'America/Denver':
    friendly_timezone = 'Mountain';
    break;
  case 'America/Los_Angeles':
    friendly_timezone = 'Pacific';
    break;
  default:
    friendly_timezone = 'No Timezone Specified';
}