Output an analog clock for the current time, using unicode.

clock.sh

#!/bin/bash
# Output an analog clock for the current time.
# Rounded to the nearest half-hour.

(( clock = $(date +"%I") + 143 ))
if [[ $(date +"%M") > 45 ]]; then
  (( clock ++ ))
  [[ $clock > 152 ]] && (( clock = 144 ))
elif [[ $(date +"%M") > 15 ]]; then
  (( clock += 12 ))
fi
echo -e "\xF0\x9F\x95\x$(printf "%02x" $clock)"

clock2.sh

#!/bin/bash
# Output an analog clock for the current time.
# Rounded to the most recent half-hour.

(( clock = $(date +"%I") + 143 ))
if [[ $(date +"%M") > 30 ]]; then
  (( clock += 12 ))
fi
echo -e "\xF0\x9F\x95\x$(printf "%02x" $clock)"