10 o'clock is morning or night?


  • In the 12 hour system 10 o’clock morning is represented as 10 A.M.
  • In the 12 hour system 10 o’clock evening is represented as 10 P.M.
  • In the 24 hours system, 10 o’clock in the morning is represented as 10:00 whereas 10 o’clock in the evening is represented as 22:00.
  • The full form of P.M. is Post Meridiem. It is the Latin name for “After noon” or “After midday”. 
  • P.M. is used to represent evening and not morning. P.M is the time from noon to midnight. It is Pre Midnight or the time before midnight. 

24 Hours system

In most of the European countries, a 24 hour format is used to represent the time. Till 12 in the daytime, 0 to 12 is used to represent the time. From afternoon to midnight, 13 to 24 is used to represent the time. For example, 14:00 is 2 o’clock in the afternoon. In a 24 hour format, evening 4 o’ clock is represented by 16:00 and morning 4 o’clock is represented as 4:00.

12 Hours System

In most English speaking countries like Australia, Canada, USA, the 12 hour format is used to represent the time. The 24 hours in a day is divided into two halves of 12 hours each. The first 12 hour is represented as A.M. which is from midnight to noon. A.M. stands for Ante Meridiem, the Latin name for “Before midday” or “Before Noon”. 

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