Translation guide
Refers to the latter part of a time period, event, game, or sequence. Japanese uses different expressions depending on what is being divided.
To refer to the second half of a calendar period or a defined time span.
The most common and versatile way to say 'second half' for any period. Attach to a time word.
The second half of this year is going to be busy.
My salary comes in during the second half of the month.
Specifically for the second half of a fiscal or business year.
We achieved our sales target for the second half of the fiscal year.
To refer to the latter period of a sports game or contest.
Used for the second half of a sports match, just like for time periods.
They turned the game around in the second half.
To refer to the second half of a narrative, performance, or scheduled event.
To refer to the latter stage of a lifespan or professional period.
Do not use 第二半分 or similar. The natural word is 後半.
second half (incorrect)
The second half of the soccer match has started.
There will be speeches in the second half of the ceremony.
このドラマの後編は来週放送です。
The second part of this drama will be broadcast next week.
人生の後半をどう生きるか考えている。
I'm thinking about how to live the second half of my life.