WorldTime - Show time in different timezones in the commandline

worldtime.sh

#!/bin/bash

echo "UTC: $(TZ='UTC' date +'%H:%M %Y-%m-%d %a')"
echo "-------------------------"
echo "EST: $(TZ='America/New_York' date +'%H:%M %Y-%m-%d %a')"
echo "CST: $(TZ='America/Chicago' date +'%H:%M %Y-%m-%d %a')"
echo "PST: $(TZ='America/Los_Angeles' date +'%H:%M %Y-%m-%d %a')"
echo "-------------------------"
echo "IST: $(TZ='Asia/Kolkata' date +'%H:%M %Y-%m-%d %a')"
# Ref: Timezone abbreviations: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List