going on

Preposition

Indicates a time or age in the very near future.

Japanese Meaning

まもなく（起こる・始まる） / もうすぐ（実現する・到来する） / 近い将来に（起こる状況）

My daughter is going on six next month, so she's already practicing reading simple books.

娘は来月で、もうすぐ6歳になるので、すでに簡単な本を読む練習をしています。

Sense（1）

Indicates a time or age in the very near future.

It's going on three o'clock.