As you can see there is no polite or formal ending in this expression.

Informal way to say happy birthday in korean. If you would like to say this in a formal phrase you must say 생신 축하드립니다. Now Happy Birthday is 생일 축하합니다 formally and 생일 축하해 informally. You need to choose which version youll use depending on who youre greeting.

On a birthday morning a Korean starts hisher day with 미역국 seaweed soup. The casualinformal way to say happy birthday in Korean is 생일 축하해 saeng-il chu-ka-hae. Remember to only use this version of Happy Birthday in Korean for your close friend and not those you are not close with.

The basic expression that means happy birthday is 생일 축하하다. But there are slight variations to consider depending on the situation.

Check out Bas Ruttens Liver Shot on MMA Surge. Different Ways of Saying Happy Birthday in Korean 생일축하해요. Now Happy Birthday is 생일 축하합니다 formally and 생일 축하해 informally.

Please note that the 생일 is informal way of saying birthday. How to say happy birthday in Korean formally is 생신을 축하드립니다.

It uses the formal words for birthday. Well since the OP clearly states informally Id say Gabriels answer isnt complete.