This is something that just says the time.

say_time.sh

#!/bin/sh

DEFAULT_MODE="HOURLY"

case $1 in
	"" | "--hourly")
		MODE="HOURLY"
		;;
	"--quarterly")
		MODE="QUARTERLY"
		;;
	"--minutely")
		MODE="MINUTELY"
		;;
	*)
		MODE=$DEFAULT_MODE
		;;
esac

echo "MODE=$MODE"

# Espeak options
## Pitch [0-99]
PITCH=0
## Speed [80-450]
SPEED=225

if [ $MODE = "HOURLY" ];
then
	espeak "It is `date +%H` hundred hours." -p $PITCH -s $SPEED
fi

if [ $MODE = "QUARTERLY" ];
then
	espeak "It is `date +%H` hundred `date +%M` hours." -p $PITCH -s $SPEED
fi

if [ $MODE = "MINUTELY" ];
then
	espeak "It is `date +%H` hundred `date +%M` hours." -p $PITCH -s $SPEED
fi