AM vs PM: Difference and Comparison

Key Takeaways

  1. AM stands for ante meridiem or before midday, PM for post meridiem
  2. 12 midnight to 12 noon is AM, 12 noon to 12 midnight is PM
  3. AM and PM help distinguish between morning and evening
  4. 12 AM is midnight, 12 PM is noon

What is AM?

The early hours of the morning, referred to as AM, mark the beginning of a new day. As the sun rises and casts its warm glow over the world, a sense of rejuvenation and promise fills the air. AM is a time of transition when the world emerges from the tranquil embrace of night and embarks on another day’s journey.

In these early moments, the world is quiet and serene. The gentle rustling breaks the stillness of leaves, the chirping of birds, and the occasional distant hum of a car. It is a time when the chaos of daily life has yet to be fully awakened, allocating for a peaceful interlude that can be both contemplative and inspiring.

AM offers an opportunity to witness the marvel of nature’s awakening. It is also a time when many engage in rituals that set the tone for the day. Whether it’s the tranquil meditation practice or the invigoration of an early morning jog, these rituals help shape the day ahead.

What is PM?

As the day winds down and the sun sets, that is when the next time period, PM, starts. The transition from day to night holds a unique meaning as the world prepares for a different existence.

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During PM, the pace of life shifts. The activities that once occupied daylight hours give way to a more leisurely and reflective atmosphere. It’s a time to unwind, savour a meal with loved ones, or appreciate the world’s beauty in transition. 

As night falls, PM embraces the allure of darkness. The stars, moon, and galaxies emerge one by one illuminating the vast expense of the sky. In the depths of PM, the realm of dreams awakens, inviting us to explore the landscape of our imagination. 

Difference Between AM and PM

  1. AM refers to the time between midnight and noon (12:00 AM- 11:59 AM), while PM refers to the time between noon and midnight (12:00 PM – 11:59 PM).
  2. AM is associated with higher energy levels and increased alertness as people start their day, while PM is characterized by winding down, relaxation and preparation for sleep.
  3. AM symbolizes new beginnings and a fresh start, while PM can be associated with the end of the day, reflection, and the transition into the night.
  4. Visibility is clearer in the AM due to lower pollution levels and atmospheric disturbance, while PM might have reduced visibility, especially during sunset or in areas with higher pollution.
  5. AM temperatures are cooler as the earth has had time to radiate heat overnight, while PM temperatures tend to be warmer due to the sun’s heating throughout the day.

Comparison Between AM and PM

ParametersAMPM
DefinitionThe time between midnight and noon (12:00 AM – 11:59 AM)The time between noon and midnight (12:00 PM – 11:59 PM)
Energy levelsHigher energy levels and increased alertnessWinding down, relaxation and preparation for sleep
Symbolism New beginnings and a fresh startReflection and transition into night 
Visibility Clear Reduced 
Temperature changes Usually cooler Warmer 
References
  1. https://books.google.com/books?hl=en&lr=lang_en&id=qHoRDAAAQBAJ&oi=fnd&pg=PP8&dq=%E2%80%A2%09AM+stands+for+Ante+Meridiem+and+marks+the+beginning+of+a+new+day&ots=XszRaqNLQQ&sig=Bf8YAeV_4cPt0rDiTeV4zS5VyBo
  2. https://www.jstor.org/stable/1516711
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Last Updated : 25 November, 2023

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