#! /bin/bash
# World date
export TZ
TZ=:Japan; printf "%-20s%s\n" "Japan" "`date`"
if [ $# -eq 0 -o $1="all" ]; then
	set us uk 
fi

while (($#>0))
do
	case $1 in
	0|uk|UK)
		TZ=:GMT;	printf "%-20s%s\n" "England" "`date`"
		;;
	1|Italy|French|German)
		TZ=:GMT+1;	printf "%-20s%s\n" "England" "`date`"
		;;
	us|US)
		TZ=:US/Central;	printf "%-20s%s\n" "US-Central" "`date`"
		TZ=:US/Eastern;	printf "%-20s%s\n" "US-Eastern" "`date`"
		TZ=:US/Hawaii;	printf "%-20s%s\n" "US-Hawaii" "`date`"
		;;
	esac
	shift
done