Simple script to query time zone data

wtime.sh

#!/bin/bash
#Show date and time in other time zones

ZONEINFO=/usr/share/zoneinfo/posix/
FORMAT='%a %F %T'

query=$(echo $1 | tr '[:upper:]' '[:lower:]')

case "$query" in
au | aus )
        query=Melbourne
	;;
lk | sl )
	query=Colombo
	;;
uk | lon )
		query=London
	;;
us | nyc )
		query=New_York
	;;
*)
	query=$1
	;;
esac

regex=".*${query}.*"

for zone in $(find $ZONEINFO -type f -iregex $regex)
do
	d=$(TZ=$zone date +"$FORMAT")
	printf "%-34s %23s\n" ${zone#$ZONEINFO} "$d"
done   

exit 0