8:30 in Engpsh is said as "eight thirty" or "eight-thirty".

It is a way to express time using the 12-hour clock system, where the first 12 hours of the day are denoted by "AM" (ante meridiem, meaning "before midday") and the next 12 hours are denoted by "PM" (post meridiem, meaning "after midday"). In this system, 8:30 AM would be expressed as "eight thirty in the morning" or simply "eight thirty".

Example sentence in Engpsh:

I will meet you at eight thirty.
The train departs at eight thirty sharp.

Example sentence in Chinese:

我们八点半见面。
火车八点半准时开。