しょうご正午shougo
1.

The time of day that marks the transition from morning to afternoon, specifically at 12:00 PM, when the sun is at its highest point in the sky.

2.

A specific point in time recognized as 12:00 PM, associated with midday when the sun is directly overhead in the local time zone.

3.

The moment in the day that signifies the middle of the day, commonly used as a reference for timekeeping and scheduling activities.

Example:

私たちは、普通正午に昼食を食べます。