A Korean Phrase for Asking About Someone's Birthday: "생일이 언제예요?"

"생일이 언제예요?" means "When is your birthday?" and it's the basic Korean expression used to ask someone when their birthday is. It's a handy conversation starter. To answer, you can say something like "제 생일은 5월이에요." (My birthday is in May). To wish someone well, say "생일 축하해요!" (Happy birthday!).