目標時刻 円環時計

17 o'clock
https://codepen.io/assos51/full/OJPzPBE

18 o'clock
https://codepen.io/assos51/full/dyPZBqy

19 o'clock
https://codepen.io/assos51/full/MWYOZeL

22 o'clock
https://codepen.io/assos51/full/eYmyOKv