The FAA's "Moonless Night Letter" clarifies that "actual instrument flight conditions" can exist even in VFR weather, specifically when outside conditions (e.g., moonless night, blinding sun) ...

Flying under VFR means operating primarily by what you can see and visually perceive. Your eyes become your primary sensors. That means constantly scanning for terrain, traffic, and weather while ...

Losses continued to mount for flights schools that remained grounded at least through Friday afternoon, but general aviation pilots who fly under visual flight rules received limited relief as senior ...