9 is the placeholder of zero.

1992 = 3

2001 = 3

Zero is used at the beginning.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, etc.

The zero is used once and does not return. Instead, the 9 takes up that spot.

If we call God zero, then 9 is the placeholder of God.