Draws a clock face in ascii to simulate progress for bash scripts

Clock Progress

#!/bin/bash

# Draws a 'progress bar' using ascii clocks
# $1 : Seconds to delay
function delay() {
	delay_time=$(echo "$1/24" | bc -l);

	clear;
	echo $'\xf0\x9f\x95\x90' #1
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9c' #1:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x91' #2
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9d' #2:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x92' #3
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9e' #3:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x93' #4
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9f' #4:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x94' #5
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa0' #5:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x95' #6
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa1' #6:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x96' #7
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa2' #7:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x97' #8
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa3' #8:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x98' #9
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa4' #9:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x99' #10
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa5' #10:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9a' #11
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa6' #11:30
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\x9b' #12
	sleep $delay_time;
	clear;
	echo $'\xf0\x9f\x95\xa7' #12:30
	clear;
}

delay 4;