multiple timezone date-time display

datetime.sh

#!/bin/bash

# example:
#  sh ./datetime.sh
#  Monday 2023/03/20 09:01 UTC (GMT: 09:01 +0000 PDT: 02:01 -0700 CET: 10:01 +0100 UTC: 09:01 +0000)

timeZones=("Europe/London America/Vancouver Europe/Zurich Finland/Helsinki")
dateTime=$(date +"%A %Y/%m/%d %H:%M %Z")
get_timezone(){
    dateTimeZoneGet=`echo -n $dateTimeZoneGet; TZ=":$1" date +" %Z: %H:%M %z"`
}
for timezone in ${timeZones[@]}; do
    get_timezone $timezone
done
echo "$dateTime ($dateTimeZoneGet)"