【Some Use Cases】
＊ Home and Office Table/Desk Clock.
＊ Bed side Night Clock.
＊ Time check during the Meeting or Lecture.
＊ Dual World Time for Travel or Business trip.
＊ Food cooking time check.
＊ Laboratory test time check.
＊ Check the time in working.
＊ Medication like as Pill...