Bash Time Control | Cheatsheet

QR Code Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  qrencode -t ANSI256 $current_time
  sleep 1
  clear
done

Counter with Delay

counter=0
while true; do
    echo $counter
    counter=$((counter+1))
    sleep 1
done

Countdown Timer

seconds=10
while [ $seconds -ge 0 ]; do
    echo "Time remaining: $seconds seconds"
    seconds=$((seconds-1))
    sleep 1
done
echo "Time's up!"

Countdown Timer with Sound

seconds=10
while [ $seconds -ge 0 ]; do
    echo "Time remaining: $seconds seconds"
    seconds=$((seconds-1))
    sleep 1
done
echo -e "\a"  # Play a system alert sound
echo "Time's up!"

Figlet Clock

while true; do
    figlet $(date +"%H:%M:%S")
    sleep 1
    clear
done

Roman Numeral Clock

while true; do
    current_time=$(date +"%H:%M:%S")
    roman_time=$(echo $current_time | awk -F: '{ printf("%02X:%02X:%02X\n", $1, $2, $3) }')
    echo "Roman Time: $roman_time"
    sleep 1
done

Binary Clock

while true; do
    current_time=$(date +"%H:%M:%S")
    binary_time=$(echo $current_time | awk -F: '{ printf("%08d:%08d:%08d\n", $1, $2, $3) }')
    echo "Binary Time: $binary_time"
    sleep 1
done

Wicked Cool Clock

while true; do
    current_time=$(date +"%H:%M:%S")
    wicked_cool_time=$(echo $current_time | sed 's/0/🕛/g; s/1/🕐/g; s/2/🕑/g; s/3/🕒/g; s/4/🕓/g; s/5/🕔/g; s/6/🕕/g; s/7/🕖/g; s/8/🕗/g; s/9/🕘/g')
    echo "Wicked Cool Time: $wicked_cool_time"
    sleep 1
done

Unique Clock

while true; do
    current_time=$(date +"%H:%M:%S")
    unique_time=$(echo $current_time | awk '{ printf("%s%s%s%s:%s%s:%s%s\n", substr($1,2,1), substr($1,1,1), substr($2,2,1), substr($2,1,1), substr($3,2,1), substr($3,1,1), substr($4,2,1), substr($4,1,1)) }')
    echo "Unique Time: $unique_time"
    sleep 1
done

Reverse Clock

while

 true; do
    current_time=$(date +"%H:%M:%S")
    reverse_time=$(echo $current_time | rev)
    echo "Reverse Time: $reverse_time"
    sleep 1
done

Rainbow Clock

while true; do
    current_time=$(date +"%H:%M:%S")
    rainbow_time=$(echo $current_time | awk '{ printf("\033[31m%s \033[32m%s \033[33m%s\033[0m\n", $1, $2, $3) }')
    echo "Rainbow Time: $rainbow_time"
    sleep 1
done

Morse Code Clock

#!/bin/bash

declare -A morse_code=(
  ['A']='.-'   ['B']='-...' ['C']='-.-.' ['D']='-..'  ['E']='.'     ['F']='..-.' ['G']='--.'  ['H']='....' ['I']='..'    ['J']='.---'
  ['K']='-.-'  ['L']='.-..' ['M']='--'   ['N']='-.'   ['O']='---'  ['P']='.--.' ['Q']='--.-' ['R']='.-.'  ['S']='...'  ['T']='-'    
  ['U']='..-'  ['V']='...-' ['W']='.--'  ['X']='-..-' ['Y']='-.--' ['Z']='--..' ['0']='-----' ['1']='.----' ['2']='..---' ['3']='...--'
  ['4']='....-'['5']='.....'['6']='-....'['7']='--...'['8']='---..'['9']='----.' [' ']=' '     ['.']='.-.-.-' [',']='--..--' ['?']='..--..'
  ['!']='-.-.--'['@']='.--.-.'['#']='-.-.-.'['$']='...-..-'
)

current_time=$(date +"%H:%M:%S")
while true; do
  morse_time=""
  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    morse_char=${morse_code[$char]}
    if [ -n "$morse_char" ]; then
      morse_time+=" $morse_char"
    fi
  done
  echo "Morse Code Time: $morse_time"
  sleep 1
  current_time=$(date +"%H:%M:%S")
done

Hexadecimal Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  hexadecimal_time=$(echo $current_time | awk -F: '{ printf("%02X:%02X:%02X\n", $1, $2, $3) }')
  echo "Hexadecimal Time: $hexadecimal_time"
  sleep 1
done

ASCII Art Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  ascii_time=$(figlet -f standard $current_time)
  echo -e "$ascii_time"
  sleep 1
  clear
done

Digital Art Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  digital_art_time=$(echo $current_time | sed 's/0/🕛/g; s/1/🕐/g; s/2/🕑/g; s/3/🕒/g; s/4/🕓/g; s/5/🕔/g; s/6/🕕/g; s/7/🕖/g; s/8/🕗/g; s/9/🕘/g')
  echo "Digital Art Time: $digital_art_time"
  sleep 1
done

Emoji Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  emoji_time=$(echo $current_time | sed 's/0/🕛/g; s

/1/🕐/g; s/2/🕑/g; s/3/🕒/g; s/4/🕓/g; s/5/🕔/g; s/6/🕕/g; s/7/🕖/g; s/8/🕗/g; s/9/🕘/g')
  echo "Emoji Time: $emoji_time"
  sleep 1
done

Kaleidoscope Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  kaleidoscope_time=$(echo $current_time | rev)
  echo "Kaleidoscope Time: $kaleidoscope_time"
  sleep 1
done

Text Animation Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  for ((i = 0; i < ${#current_time}; i++)); do
    echo -n "${current_time:i:1}"
    sleep 0.5
    echo -ne "\b \b"
    sleep 0.5
  done
  echo ""
done

Matrix Clock

#!/bin/bash

trap 'tput cnorm; tput sgr0; clear; exit' SIGINT

while true; do
  tput civis
  tput clear
  tput cup 0 0

  for ((i = 0; i < 12; i++)); do
    for ((j = 0; j < 12; j++)); do
      rand_num=$((RANDOM % 10))
      echo -n $rand_num
    done
    echo ""
  done

  sleep 0.1
done

Puzzle Clock

#!/bin/bash

# Define puzzle pieces
piece_1="  --  "
piece_2="|    |"
piece_3="|----|"
piece_4="  ||  "

while true; do
  current_time=$(date +"%H:%M:%S")
  hour=${current_time:0:2}
  minute=${current_time:3:2}
  second=${current_time:6:2}

  # Clear the screen
  clear

  # Print the puzzle clock
  echo "    $piece_1       $piece_1       $piece_1    "
  echo "  $piece_2 $piece_2   $piece_2 $piece_2   $piece_2 $piece_2 "
  echo "  $piece_3 $piece_3   $piece_3 $piece_3   $piece_3 $piece_3 "
  echo "  $piece_2 $hour $piece_2   $piece_2 $minute $piece_2   $piece_2 $second $piece_2 "
  echo "  $piece_4 $piece_4   $piece_4 $piece_4   $piece_4 $piece_4 "
  echo "    $piece_1       $piece_1       $piece_1    "

  sleep 1
done

Binary Tree Clock

#!/bin/bash

print_tree() {
  local depth=$1
  local level=$2

  if [[ $level -gt 0 ]]; then
    for ((i = 0; i < $depth; i++)); do
      printf " "
    done
    for ((j = 0; j < $level; j++)); do
      printf

 "1 "
    done
    printf "\n"

    print_tree $((depth + 1)) $((level - 1))
    print_tree $((depth + 1)) $((level - 1))
  fi
}

while true; do
  current_time=$(date +"%H:%M:%S")
  binary_time=$(echo $current_time | awk -F: '{ printf("%08d:%08d:%08d\n", "0b"$1, "0b"$2, "0b"$3) }')
  printf "\n"
  print_tree 0 $binary_time
  sleep 1
done

Doodle Clock

#!/bin/bash

declare -a pi_digits=(
  "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"
  "8214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196"
  "4428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273"
  "7245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094"
  "3305727036575959195309218611738193261179310511854807446237996274956735188575272489122793818301194912"
  "9833673362440656643086021394946395224737190702179860943702770539217176293176752384674818467669405132"
  "0005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235"
  "4201995611212902196086403441815981362977477130996051870721134999999837297804995105973173281609631859"
  "5024459455346908302642522308253344685035261931188171010003137838752886587533208381420617177669147303"
  "5982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989"
)

while true; do
  current_time=$(date +"%H:%M:%S")
  pi_index=$((RANDOM % ${#pi_digits[@]}))
  pi_time="${pi_digits[$pi_index]}"
  echo "Pi Time: $pi_time"
  sleep 1
done

Weather Clock

#!/bin/bash

while true; do
  current_time=$(date +"%H:%M:%S")
  weather=$(curl -s "wttr.in/?format=%C+%t")
  echo "Current Time: $current_time"
  echo "Weather: $weather"
  sleep 1
  clear
done

Countdown to New Year Clock

current_year=$(date +"%Y")
next_year=$((current_year + 1))
new_year=$(date -d "$next_year-01-01 00:00:00" +%s)
current_time=$(date +%s)
countdown=$((new_year - current_time))

countdown() {
  local duration=$1

  while [ $duration -ge 0 ]; do
    days=$((duration / 86400))
    hours=$((duration % 86400 / 3600))
    minutes=$((duration % 3600 / 60))
    seconds=$((duration % 60))
    printf "Countdown to New Year: %02d days %02d:%02d:%02d\n" $days $hours $minutes $seconds
    sleep 1
    duration=$((duration - 1))
  done

  echo "Happy New Year!"
}

countdown $countdown

Count down to christmas

#!/bin/bash

# Get the current date and time
current_date=$(date +"%Y-%m-%d %H:%M:%S")
current_year=$(date +"%Y")

# Calculate the remaining time until Christmas
christmas_date="$current_year-12-25 00:00:00"
remaining_time=$(( $(date -ud "$christmas_date" +%s) - $(date -ud "$current_date" +%s) ))

# Convert the remaining time to months, days, hours, minutes, and seconds
remaining_months=$(( remaining_time / 60 / 60 / 24 / 30 ))
remaining_days=$(( remaining_time / 60 / 60 / 24 % 30 ))
remaining_hours=$(( remaining_time / 60 / 60 % 24 ))
remaining_minutes=$(( remaining_time / 60 % 60 ))
remaining_seconds=$(( remaining_time % 60 ))

# Display the countdown on the same line
while [ $remaining_time -ge 0 ]; do
    echo -ne "Countdown to Christmas: $remaining_months months, $remaining_days days, $remaining_hours hours, $remaining_minutes minutes, $remaining_seconds seconds"\\r
    sleep 1
    remaining_time=$(( remaining_time - 1 ))
    remaining_months=$(( remaining_time / 60 / 60 / 24 / 30 ))
    remaining_days=$(( remaining_time / 60 / 60 / 24 % 30 ))
    remaining_hours=$(( remaining_time / 60 / 60 % 24 ))
    remaining_minutes=$(( remaining_time / 60 % 60 ))
    remaining_seconds=$(( remaining_time % 60 ))
done

echo -e "\nMerry Christmas!"

Starry Night Clock

#!/bin/bash

declare -a stars=(
  "✶" "✷" "✸" "✹" "✺" "✻" "✼" "✽" "✾" "✿" "❀" "❁" "❂" "❃" "❄" "❅" "❆" "❇" "❈" "❉" "❊" "❋" "❄"
)

while true; do
  current_time=$(date +"%H:%M:%S")
  star_index=$((RANDOM % ${#stars[@]}))
  star="${stars[$star_index]}"
  echo "Starry Night Time: $current_time $star"
  sleep 1
done

Barcode Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  barcode_time=$(echo $current_time | awk -F: '{ printf("\033[30;47m%s \033[0m\033[47;30m%s \033[0m\033[30;47m%s\033[0m\n", $1, $2, $3) }')
  echo "Barcode Time: $barcode_time"
  sleep 1
done

Matrix Rain Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  matrix_rain_time=$(echo $current_time | sed 's/\(.\)/\1\n/g')
  echo "Matrix Rain Time:"
  echo "$matrix_rain_time"
  sleep 1
  clear
done

Morse Code Sound Clock

#!/bin/bash

declare -A morse_code=(
  ['A']='.-'   ['B']='-...' ['C']='-.-.' ['D']='-..'  ['E']='.'     ['F']='..-.' ['G']='--.'  ['H']='....' ['I']='..'    ['J']='.---'
  ['K']='-.-'  ['L']='.-..' ['M']='--'   ['N']='-.'   ['O']='---'  ['P']='.--.' ['Q']='--.-' ['R']='.-.'  ['S']='...'  ['T']='-'    
  ['U']='..-'  ['V']='...-' ['W']='.--'  ['X']='-..-' ['Y']='-.--' ['Z']='--..' ['0']='-----' ['1']='.----' ['2']='..---' ['3']='...--'
  ['4']='....-'['5']='.....'['6']='-....'['7']='--...'['8']='---..'['9']='----.' [' ']=' '     ['.']='.-.-.-' [',']='--..--' ['?']='..--..'
  ['!']='-.-.--'['@']='.--.-.'['#']='-.-.-.'['$']='...-..-'
)

while true; do
  current_time=$(date +"%H:%M:%S")
  morse_time=""
  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    morse_char=${morse_code[$char]}
    if [ -n "$morse_char" ]; then
      morse_time+=" $morse_char

"
    fi
  done
  echo "Morse Code Time: $morse_time"
  sleep 1

  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    if [ "$char" == ":" ]; then
      sleep 0.3
    else
      beep -f 800 -l 200 -r 3
    fi
    sleep 0.1
  done
done

Typewriter Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  typewriter_time=$(echo $current_time | sed 's/./& /g')
  echo "Typewriter Time: $typewriter_time"
  sleep 1
done

Countdown Clock

countdown() {
  local duration=$1

  while [ $duration -ge 0 ]; do
    minutes=$((duration / 60))
    seconds=$((duration % 60))
    printf "Countdown: %02d:%02d\n" $minutes $seconds
    sleep 1
    duration=$((duration - 1))
  done

  echo "Time's up!"
}

countdown 120

Solar System Clock

#!/bin/bash

declare -A planet_positions=(
  ['☉']='1' ['☿']='2' ['♀']='3' ['♁']='4' ['♂']='5' ['♃']='6' ['♄']='7' ['♅']='8' ['♆']='9' ['♇']='10'
)

while true; do
  current_time=$(date +"%H:%M:%S")
  solar_system_time=""
  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    planet_position=${planet_positions[$char]}
    if [ -n "$planet_position" ]; then
      solar_system_time+=" $planet_position"
    fi
  done
  echo "Solar System Time: $solar_system_time"
  sleep 1
done

Morse Code Light Clock

#!/bin/bash

declare -A morse_code=(
  ['A']='.-'   ['B']='-...' ['C']='-.-.' ['D']='-..'  ['E']='.'     ['F']='..-.' ['G']='--.'  ['H']='....' ['I']='..'    ['J']='.---'
  ['K']='-.-'  ['L']='.-..' ['M']='--'   ['N']='-.'   ['O']='---'  ['P']='.--.' ['Q']='--.-' ['R']='.-.'  ['S']='...'  ['T']='-'    
  ['U']='..-'  ['V']='...-' ['W']='.--'  ['X']='-..-' ['Y']='-.--' ['Z']='--..' ['0']='-----' ['1']='.----' ['2']='..---' ['3']='...--'
  ['4']='....-'['5']='.....'['6']='-....'['7']='--...'['8']='---..'['9']='----.' [' ']=' '     ['.']='.-.-.-' [',']='--..--' ['?']='..--..'
  ['!']='-.-.--'['@']='.--.-.'['#']='-.-.-.'['$']='...-..-'
)

while true; do
  current_time=$(date +"%H:%M:%S")
  morse_time=""
  for ((i = 0;

 i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    morse_char=${morse_code[$char]}
    if [ -n "$morse_char" ]; then
      morse_time+=" $morse_char"
    fi
  done
  echo "Morse Code Time: $morse_time"
  sleep 1

  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    if [ "$char" == ":" ]; then
      sleep 0.3
    else
      sudo sh -c 'echo 1 > /sys/class/leds/led0/brightness'
      sleep 0.1
      sudo sh -c 'echo 0 > /sys/class/leds/led0/brightness'
    fi
    sleep 0.1
  done
done

Geometric Shapes Clock

#!/bin/bash

declare -A shape_codes=(
  ['☐']='1' ['△']='2' ['◯']='3' ['⬤']='4' ['◆']='5' ['⧇']='6' ['✪']='7' ['❂']='8' ['⚙']='9' ['⧞']='10'
)

while true; do
  current_time=$(date +"%H:%M:%S")
  shapes_time=""
  for ((i = 0; i < ${#current_time}; i++)); do
    char="${current_time:i:1}"
    shape_code=${shape_codes[$char]}
    if [ -n "$shape_code" ]; then
      shapes_time+=" $shape_code"
    fi
  done
  echo "Geometric Shapes Time: $shapes_time"
  sleep 1
done

World Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  world_time=$(TZ=America/New_York date +"%H:%M:%S")" (NY) | "$(TZ=Europe/London date +"%H:%M:%S")" (London) | "$(TZ=Asia/Tokyo date +"%H:%M:%S")" (Tokyo)"
  echo "World Time: $world_time"
  sleep 1
done

Time Zone Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  timezone_time=$(TZ="Europe/Paris" date +"%H:%M:%S")" (Paris) | "$(TZ="America/New_York" date +"%H:%M:%S")" (NY) | "$(TZ="Asia/Tokyo" date +"%H:%M:%S")" (Tokyo)"
  echo "Time Zone Time: $timezone_time"
  sleep 1
done

Nixie Tube Clock

while true; do
  current_time=$(date +"%H:%M:%S")
  nixie_time=$(echo $current_time | sed 's/0/𝟘/g; s/1/𝟙/g; s/2/𝟚/g; s/3/𝟛/g; s/4/𝟜/g; s/5/𝟝/g; s/6/𝟞/g; s/7/𝟟/g; s/8/𝟠/g; s/9/𝟡/g')
  echo "Nixie Tube Time: $nixie_time"
  sleep 1
done

3D Clock

#!/bin/bash

while true; do
  current_time=$(date +"%H:%M:%S")
  echo "3D Time: $current_time"
  sleep 1
  clear
done