The number 1243 is a full-circle number. When the digits are added together, the result is the number 10, a number of infinite potential. And the single-digit number it reduces to is the number 1, the same as the first digit if 1243.

1+2+4+3=10, 1+0=1

The number 12 is a number of optimistic and creative self-expression. The number 43 is a number of introspection and analysis.

Follow the links in the above paragraphs to read more about the linked numbers.

I don't see the numbers, 12, 43, or 1243 in your numerology chart. But I see the numbers 1, 2, 4, and 3 in numerous chart positions. Those may be the connection that predispose you to noticing 12:43 whenever it's in your environment; that and the pull a mystery generally has.

The number 1 is your personality number, your power number, and your fourth pinnacle number.

The number 2 occurs twice in your challenge numbers and once as your third pinnacle number.

The number 3 is your heart's desire number, your first pinnacle number, and your third life period number.

The number 4 is your destiny number and one of your challenge numbers.