0 seconds on the clock, Stop the game?

[Dan_ref]

Originally Posted by Nevadaref

In NCAA, time has expired in the period when the clock shows all zeros.

Nope.

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5-7-2. Each period shall end when the red light or LED lights has become
activated. When the light fails to operate or is not visible, each period shall
end with the sounding of the game-clock horn.

a. In games when the red light is not present, the game-clock horn shall
terminate players’ activity