1999 እ.ኤ.አ.
1 January 1999 - 11 September 1999 እ.ኤ.ኣ. = 1991 አ.ም.
 12 September 1999 - 31 December 1999 እ.ኤ.ኣ. = 1992 አ.ም.
1 January 1999 - 11 September 1999 እ.ኤ.ኣ. = 1991 አ.ም.
 12 September 1999 - 31 December 1999 እ.ኤ.ኣ. = 1992 አ.ም.