Added set timezone.

.includes/timezone.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+export DIALOGOPTS='--insecure --no-lines --visit-items'
+
+ 
+# Get the list of timezones
+mapfile -t regions < <(timedatectl --no-pager list-timezones | cut -d '/' -f1 | sort -u)
+
+# Use the same text twice here and just hide the tag field.
+    region=$(dialog --backtitle "Please select your Region" \
+            --no-tags \
+            --menu "Use up and down arrows or page-up and page-down to navigate the list, and press 'Enter' to make your selection." 0 0 0 \
+            $(for i in ${regions[@]} ; do echo "$i";echo "$i";done) --stdout)
+
+
+mapfile -t cities < <(timedatectl --no-pager list-timezones | grep "$region" | cut -d '/' -f2 | sort -u)
+
+# Use the same text twice here and just hide the tag field.
+    city=$(dialog --backtitle "Please select a city near you" \
+            --no-tags \
+            --menu "Use up and down arrow or page-up and page-down to navigate the list." 0 0 10 \
+            $(for i in ${cities[@]} ; do echo "$i";echo "$i";done) --stdout)
+
+# Set the timezone
+sudo timedatectl set-timezone ${region}/${city}
+if [[ -f /etc/localtime ]]; then
+    sudo rm /etc/localtime
+fi
+sudo ln -s /usr/share/zoneinfo/${region}/${city} /etc/localtime
+
+# Make sure we are syncing with the internet
+sudo timedatectl set-ntp false
+sudo systemctl stop ntpd
+sudo ntpd -gq
+sudo systemctl enable ntpd --now
+exit 0