Italian speaking clock

it.dardo82.TellTheTime.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>EnableGlobbing</key>
	<true/>
	<key>Label</key>
	<string>it.dardo82.TellTheTime</string>
	<key>ProgramArguments</key>
	<array>
		<string>/Library/Application Support/Tell The Time/ttt.sh</string>
	</array>
	<key>RunAtLoad</key>
	<true/>
	<key>StartCalendarInterval</key>
	<array>
		<dict>
			<key>Minute</key>
			<integer>0</integer>
		</dict>
		<dict>
			<key>Minute</key>
			<integer>15</integer>
		</dict>
		<dict>
			<key>Minute</key>
			<integer>30</integer>
		</dict>
		<dict>
			<key>Minute</key>
			<integer>45</integer>
		</dict>
	</array>
</dict>
</plist>

ttt.sh

#! /bin/bash

H=$(date +%H)
M=$(date +%M)

case ${M#0} in
	0)  M="in punto";;
	15) M="e un quarto";;
	30) M="e mezzo";;
	45) M="meno un quarto"; H=$[H+1];;
	*)  M="e ${M#0}";;
esac
case ${H#0} in
	1|13) H="é l'una";;
	0|24) H="é mezzanotte";;
	12)   H="é mezzogiorno";;
	*)    H="sono le $[H%12]";;
esac

say "[[volm 0.5]] $H $M"

To download and install execute these commands:
mkdir "/Library/Application Support/Tell The Time/"
cd "/Library/Application Support/Tell The Time/"
curl -s -o ttt.tgz https://gist.github.com/dardo82/9f8bbf0e94c699ab12a0/download
tar --strip-components 1 -zxvf ttt.tgz; rm ttt.tgz
mv it.dardo82.TellTheTime.plist ~/Library/LaunchAgents/
launchctl load ~/Library/LaunchAgents/it.dardo82.TellTheTime.plist