To say "Happy Memorial Day" in Japanese, you can say "メモリアルデーおめでとう" (Memoriaru Dē omedetō). However, it's important to note that Memorial Day is not widely celebrated in Japan, so there may not be a direct cultural equivalent. If you're referring to honoring those who have passed, you might use a phrase like "故人を偲ぶ日" (Kojin o shinobu hi), which means "a day to remember the deceased."
No.
If you are saying "I am happy," you would use ureshii, or if you are saying happiness, you would say "shiawase"
Joyeuse saint Valentin or "Bonne saint Valentin
Simply say "Happy Mother's Day."
You may say 'ureshii.'
Yukai Fi-to
happy birthday
Happy Friendship Day.
happy name day
Happy independence day?
In Japanese, they use the expression 'Merry Christmas,' which becomes 'merii kurisumasu' in Japanese.
happy fathers day