1.Your last name is your last number of your year of birth .Example: 1977 => 7

0: Park

1: Kim

2: Shin 

3.Choi

4: Song

5: Kang

6: Han

7: Lee

8: Sung

9: Jung

 

2.Your middle name is your month of birth.Example : February => 2

1: Yong

2: Ji

3: Je

4: Hye

5: Dong

6: Sang 

7: Ha 

8: Hyo

9: Soo

10: Eun

11 : Hyun

12: Rae 

 

3.Your first name is your date of birth.Example : 23

1: Hwa

2: Woo

3: Joon 

4: Hee 

5: Kyo 

6: Kyung 

7: Wook

8: Jin

9: Jae

10: Hoon

11: Ra

12: Bin

13: Sun

14: Ri

15: Soo

16: Rim

17: Ah

18: Ae

19: Neul

20: Mun

21: In

22: Mi

23: Ki

24: Sang

25: Byung

26:Seok

27: Gun

28: Yoo

29: Sup

30: Won

31: Sub

 

Example : 1977,October 23- Lee Eun Ki 

But for me,my name in Korean -Jung Hyun Mi.I'm younger sister to Jung Daehyun B.A.P lol XD  Should I change my username ?