different as night and day meaning

• [American idiom]
  Completely different.
  • Although Bobby and Billy are twins, they are as different as night and day.
  • Birds and bats appear to be similar, but they are different as night and day.
  
• 
  [American slang]
  Cliché completely different. (*Also: as ~.)
    Although Bobby and Billy are twins, they are as different as night and day.
    Birds and bats appear to be similar, but they are different as night and day.

• Beyond that, they are as different as night and day.
• But they're as different as night and day ."
• But they were as different as night and day from this team.
• But passengers on each leg are as different as night and day.
• Both men are gorgeous but are as different as night and day.
• But beyond that, their experiences are as different as night and day.
• It's as different as night and day.
• But as people, our lifestyles are as different as night and day.
• It is as different as night and day between the boys and girls leagues.
• And yet Ben Hogan and Byron Nelson were as different as night and day.

• "different as night and day" meaning in Japanese: