ひるま昼間hirumaちゅうかん昼間chuukan
1.

The period of time during which natural light is present, typically occurring from morning until evening, as distinguished from nighttime.

2.

The interval of the day characterized by the presence of the sun, when most activities are conducted outside of darkness.

3.

The time frame between sunrise and sunset, encompassing all hours when the sun is visible in the sky, often associated with daytime activities.

Example:

太陽は昼間輝く。

maぴるま昼間pirumaまっぴるま真昼間mappirumaまっmaぴるま昼間piruma
1.

The period of time during the day when the sun is at its highest point, often emphasizing the brightness and clarity of daylight.

2.

The exact middle of the day, typically used to describe actions or events that occur in the daytime, especially when they are deemed inappropriate or surprising.

3.

A time characterized by full daylight, particularly associated with peak daylight hours when visibility is maximized and shadows are minimal.

Example:

彼は真っ昼間に車を盗まれた。