The term “noon” is derived from the Latin nona hora or ninth hour. The medieval monastic day began at 6 a.m. making the ninth hour actually 3 p.m. The meaning of the word slowly shifted to midday/12:00 p.m. between the 12th and 14th centuries. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Noon
WTF Fun Fact – Noon Nona hora
