#!/bin/bash

ZONES="America/Los_Angeles UTC Europe/London Europe/Berlin Asia/Kuala_Lumpur Asia/Singapore unix"

while :
do
    clear
	echo
    for TZ in $ZONES ; do
        if [ $TZ = "unix" ] ; then
            TIME=$( date +%s )
        else
            TIME=$( date )
        fi
        echo -e $TIME "\t" $TZ
    done
    sleep 1
done