Difference between Midday and Noon

Key Difference: Midday and Noon define the same thing. There is no difference between the two. It is usually defined as 12 o’clock in the day time. However, the phrase midday is sometimes used to mention a choice of time, i.e., 11 to 1.

The midday and noon are co-related to each other. They are synonyms, and can be used interchangeably.

The midday or noon is defined as the time of day that is between noon, i.e. 12 PM, and evening. The phrase noon was derived from the Latin word nono hora, meaning the ninth hour of the day. The noon is basically used informally to mean midday.

Midday also used to define as 12 o’ clock in the day time or 12 PM. In Latin, PM or prime meridien means ‘before noon’. The noon or midday starts immediately after midnight. In some of the countries, this is the time when people have lunch. However, in many countries the phrase midday is sometimes used to mention a choice of time, i.e., 11 to 1. Thus, midday and noon are similar to each other. There is one main difference between both the terms that noon is used informally, while midday is used more formally.

Comparison between Midday and Noon:






  • The middle of the day; noon or the time centering on noon.
  • Of or pertaining to the middle part of the day:
  • Midday.
  • Twelve o'clock in the daytime.


Old English

Latin word



Nona hora – ninth hour





  • Finally, they broadcasted the news on midday.
  • Your mail must be received by midday on Sunday.
  • He stays there drinking chocolate shake until midday, then comes home to eat.
  • I expect you will come at noon.
  • Sundays are also a big meal day, with formal setting at noon.
  • Most photographs are taken near noon with the sun out, on clear days.
  • My shift for tomorrow is from midnight to noon.

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the information is incorrect. AM = Ante meridiem: Before noon PM = Post meridiem: After noon, the definition of prime prime meridien no existe. it 12pm, noon, due to the fact that one second after 12h 00'01'' is allreeady past midday. therefore 12pm!

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