Belated happy birthday, strictly, is also nonsense because the birthday So, if you're wishing someone a Happy Birthday which is late, you would use: . Would you like to answer one of these unanswered questions instead?.
If someone's birthday was yesterday and you forgot about it, how would you greet them today? Happy Belated Birthday, or Belated Happy Happy Belated Birthday.
Belated birthday greetings! Smile BTW, Google Books show results for " belated happy birthday " and for " happy belated birthday. Belated Birthday Wishes