gistfile1.txt

#!/bin/bash

FORMAT='+%Y-%m-%d %H:%M:%S'
SHORT_FORMAT='+%H:%M:%S'
my_date() { date "$FORMAT"; }
short_date() { date "$SHORT_FORMAT"; }

CURRENT_TZ="$(timedatectl show | perl -ne 'print $1 if /Timezone=(.*)/')"
HOME_TZ="Asia/Jerusalem"
if [[ "$CURRENT_TZ" == "$HOME_TZ" ]]; then
  my_date
else
  #echo -n "HOME: $(TZ="$HOME_TZ" short_date) | HERE: $(my_date)"
  echo "$(my_date) (HOME: $(TZ="$HOME_TZ" short_date))"
fi