Understand Om Tat Sat Meaning: Explanation, Benefits & Spiritual Significance

3 February 2026 | vedic-learnings

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Just Say om tat sat and begin your morning with positivity.


Our Founder, whenever he arrives at the office, greets everyone with "om tat sat," and we do the same. But a question remained in my mind: what does it mean? Is it a positive mantra or just an affirmation for positivity? Well, I asked him for the answer, and then he explained it to me. 


See, it is an ancient chant (mantra) known for presenting the supreme truth, the nature of the Param Brahman, and the connection with it. And it is also told by Lord Krishna to Arjun during the Bhagavad Gita. It is actually part of Hindu traditions since the Vedic period, or even before, at the beginning of the culture.

Read more about: uttarabhadra nakshatra


The Shlok behind the hari om tat sat:


The verse that will help you know the om tat sat meaning, is given below:


ॐ तत् सदिति निर्देशो ब्रह्मणस्त्रिविधः स्मृतः

।ब्राह्मणास्तेन वेदाश्च यज्ञाश्च विहिताः पुरा॥ Bhagavad Gita (17.23) 


Meaning:


It is the dawn of creation that the sacred syllables of Om Tat Sat have been recognized as the symbols of the supreme absolute truth. The three divine expressions have been traditionally invoked by the brahmanas while reciting the Vedic hymns and performing the sacrificial rituals, ensuring that such acts are dedicated to the supreme and aligned with the spiritual purity.  Saying this word as a greeting can help create positivity in your life and make your environment worth living in.


Know hari om tat sat meaning word by word:


The mantra" hari om tat sat " means that it is not so short, as every word has a deeper meaning. The meaning is given below for your proper understanding:


Om (ॐ) – 

Shiv Ji uses it most of the time, and it is a primordial sound, also called the Pranavakshara or the first syllable, known for representing the absolute, Brahman, and the essence of all existence. It is the seed sound from which everything has emerged.


Tat (तत्) –

It refers to the ultimate reality, which is not seen through the material perception, a kind of formless divine principle that is everywhere, eternally. It is known for signifying detachment and also the recognition of the higher truth, an existence beyond what one can see.


Sat (सत्) –

Here, the word Sat (सत्) means truth or any kind of existence that denotes the eternal, unchanging reality of the human and metaphysical life, showing purity, righteousness (dharma), or the supreme existence, which are synonyms. Hence, when these three combine to form om tat sat, it becomes powerful, and the one who uses it gains the energy of positivity.


List of scriptures that say about om tat sat:


It is not only the Bhagavad Gita in the list that contains the reference to om tat sat; other books do too. Let us see one by one:


The Vedas And Upanishads:


According to the Rig Veda, the Nasadiya Sukta (the hymn of creation) describes "Tat" as the fundamental principle from which every human and other life forms are rooted.


  • Chandogya Upanishad (6.2.1):

 It is the Upanishad known for stating that " Tat" is the real cause of creation, from which all beings arise.

  • Mandukya Upanishad (1.1.1):

 It is known for describing " Om" as an all-encompassing symbol of the Brahman.


Purans:


Puranas have been the source of many things in the world and so for this mantra too. Read below for knowing more about the refernces.


  • Vishnu Purana (1.2.10): In the Vishnu Puran, the "Om " is known to represent Narayan himself, and that is described as his transcendental, omnipresent nature.
  • Shiva Purana (Rudra Samhita, 6.12.10): If you mention "Om Tat Sat," it will help you liberate and connect you to the supreme.
  • Devi Bhagavata Purana (3.6.10): It is also known for identifying" Tat," which is known as the primordial energy of the divine mother.
  • Brahma Sutras & Advaita Vedanta: The reference can also be seen in the Brahma Sutras and the Advaita Vedanta.
  • Brahma Sutras(1.1.2): It helps in explaining the" Tat" which is the ultimate reality beyond Maya(illusion)


Also, Adi Shankaracharya says in the Mandukya Upanishad that "Om Tat sat" is the realization of Advaita (non-duality), one of the highest stages of a person's journey towards the ultimate reality.


Know how to apply " Om Tat Sat" in your daily life:


Now the question is: how to apply "om tat sat" in your daily life. The given points will help you learn more about it.


  • Daily chanting and meditation: If you repeat" Om tat sat" daily during your meditation time, then it can help you in centering your mind and also elevate your consciousness over time. Yes, you need to choose a place, chant with your eyes closed, and say "Om Tat Sat" with a breath in and a breath out. Most of the time, it is used in Jnana Yoga (the path of knowledge) to detach from the material illusion.


  • Living life with the intentions: If you start wishing everyone with " Om tat sat" to everyone, and also dedicate it to the supreme, then do it with purity and without any kind of selfish motives. You need to be pure and devoted to find your life's intention. This concept also aligns with Nishkama Karma (selfless action) in the Gita.


  • Need to do spiritual readings: Hence, it can be said that you have understood the meaning of Om Tat Sat. You also know how positive your life becomes when you apply it daily.


It can be a cosmic formula, a code that will help you understand the philosophy of existence, transcendence, and truth, so when you find it in the Vedas, Upanishads, Puranas, and also the Vedantic scriptures. Also, to learn more about the philosophical codes and the spiritual principles of Hinduism, you can read other blogs on our website.


FAQs


1) What is the meaning of Om Tat Sat?

Om Tat Sat is the sacred Vedic phrase that comes from the Bhagavad Gita, which represents the truth of the Universe. Om means universal sound, Tat means That, and Sat means truth.


2) What are the benefits of chanting Om Tat Sat?

Chanting Om Tat Sat daily helps purify thoughts and the soul, reduces stress, brings mental peace, and leads you to spiritual truth. It removes negative energy from your life.


3) Which deity is this mantra associated with?

This mantra is not limited to one deity. It represents the formless Supreme Reality (Brahman) mentioned in the Vedas and the Bhagavad Gita.


4) Which is the most powerful mantra?

The Gayatri Mantra is often considered one of the most powerful Vedic mantras for wisdom, clarity, and spiritual growth.


5) Which mantra is dear to Lord Shiva?

“Om Namah Shivaya” is the most प्रिय (dear) and powerful mantra dedicated to Lord Shiva.

By Manjeet Kumar
Vedic Meet Content Team

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