Noon is 12 o'clock (12:00) P.M., or when the Sun appears the highest in the sky, compared to its positions the rest of the day. It occurs when the Sun is transitting the celestial meridian. This is also the origin of the terms A.M. (ante meridian) and P.M. (post meridian).
... 1991)
March 8 - Victor de Kowa[?], actor (+ 1973)
March 6 - Joseph Schmidt[?], tenor (+ 1942)
March 7 - Reinhard Heydrich, Nazi official
March 20 - B. F. Skinner, ...