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Onam Thiruvonam 2021: Dates, Timing of Harvest Festival of Tamil Nadu

Like the major festivals of Indian, Onam (21st August 2021 Saturday) is the most illustrious ancient festival of Kerala. It venerates the appearance of Vamana avatar of Vishnu and the ensuing home visit of the legendary demonic Emperor Mahabali from Patala (the underworld). Lord Vamana had sent Mahabali to the underworld but allowed him to visit his kingdom once a year during Onam. On Thiruvonam day, the Emperor is believed to visit every home and meet his people. This ten day long festival grows with festive spirit among the locals and is celebrated with much splendour. It is celebrated in Chingam month of the Malayalam solar calendar. Chingam month is known as Simha month in other solar calendars and Avani month in Tamil Calendar. Nakshatra Thiruvonam prevailing in month of Chingam is considered for Onam celebration and. Thiruvonam Nakshatra is known as Shravana in other Hindu Calendars.

Particular Date & Day Time starts Time ends
Thiruvonam Nakshathram Aug 20, 2021 09:25 PM  
Thiruvonam Nakshathram Aug 21, 2021   08:22 PM

The celebrations and festivities begin on Atham day and continue for the next ten days till Thiruvonam day. The first day of Onam is regarded as Atham (August or early September). According the scriptures, the demoni King Mahabali was the greatest king under whose rule prosperity and grandeur according to his whims prevailed everywhere. To finish Mahabali’s rule on earth, Lord Vishnu emerged as a Vaman (short Brahmin) and tricked him into giving Him whatever land he owned. King Mahabali on his demonic deeds was sent to a lower world; but Vishnu also granted him a boon that he could visit his land once every year. Onam celebrates this home-coming of the King.

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Significance of Onam and Ten Days (2021):

Festive Day Date & Day Nakshatra Timing Significance


22 August, Sat

9:29 PM, Aug 21 - 7:11 PM, Aug 22

On Atham it is believed that King Mahabali prepared to come back and visit his kingdom. This day begins with an early bath, prayers, and floral arrangements (Pookalam) on the ground in front of homes to welcome the King. Traditionally, the floral arrangements are done with ten rings, each representing a Hindu god. The colors are chosen to please each god, and only yellow flowers are used on Atham for the first layer of the Pookalam.


23 August, Sun

7:11 PM, Aug 22- 5:06 PM, Aug 23

On this day people add two more layers to the Pookalam, using mostly orange and creamy yellow coloured flowers. People visit Vishnu temples for prayers and worships.


24 August, Mon

5:06 PM, Aug 23 - 3:20 PM, Aug 24

On this day people go shopping for Onam special products, gifts and items. This day is considered auspicious for buying new clothes, jewellery, and gifts.


25 August, Tue

3:20 PM, Aug 24 - 1:59 PM, Aug 25

On this day, married women prepare sumptuous Onam meal. Traditionally the farming communities on this day used to organize their harvest trade. Pookalam design (floral decorations) competitions also commence in Kerala on his day


26 August, Wed

1:59 PM, Aug 25 - 1:04 PM, Aug 26

On this day, the illustrious snake boat races happen across the state. Three days prior to the boat race, a trial race is organized at Aranmula.


27 August, Thu

1:04 PM, Aug 26 - 12:37 PM, Aug 27

It is a day to kindle familial harmony as people visit their near and dear ones and fresh flowers continue to be added to the Pookalam.


28 August, Fri

12:37 PM, Aug 27 - 12:38 PM, Aug 28

On this day, public places and steers are decorated with festive spirit.


29 August, Sat

12:38 PM, Aug 28 - 1:03 PM, Aug 29

This day witnesses the ceremonial installation of pyramidal clay statues called Onathappan in the center of floral arrangement. They represent king Mahabali and Lord Vamana By now, the Pookalams have greatly grown in size.

First Onam/Uthradom

30 August, Sun

1:03 PM, Aug 29 - 1:52 PM, Aug 30

On this day King Mahabali is said to visit the land of Kerala on this day. It's an ecstatic occasion when people complete their Onam shopping and spring clean their homes. It's an auspicious day for buying fresh fruit and vegetables.

Second Onam/Thiruvonam 

31 August Mon

1:52 PM, Aug 30 - 3:04 PM, Aug 31

It is the day when the main Onam celebrations happen. King Mahabali is said to be honoured by the locals. Pookalams are extravagant. The families engage in get-to-gathers and hold vegetarian feast known as the Onam Sadya or Onasadya.

Third Onam/Avvittom

2 September Wed

3:04 PM, Aug 31 - 4:38 PM, Sep 01

On this day, King Mahabali is said to depart to the underworld. Onathappan statues are immersed in the sea or river, and pookalams are cleared and removed.

Fourth Onam/Chatayam

3 September Thu

4:38 PM, Sep 01 - 6:34 PM, Sep 02

From this day onward, Onam celebrations continue for the next few days witnessing the snake boat races, Pulikkali tiger play, and Kerala Tourism's Onam Week program.

What Other Things You Can Do On This Day:

  • You may visit a Vishnu/Krishna temple and offer prayers. If a temple is not around, you can worship Him at your home in the early morning. The idols of Lord Vishnu should be worshipped with sandalwood, flowers, fruits and dhoop.
  • You can worship Lord Vishnu by using energized Vishnu Yantras.
  • One can simply meditate on Lord Vishnu and chant His mantra: ‘Om Namo Bhagavate Vasudevaya’. This powerful mantra was given by Sage Narada to Dhruva Maharaja as described in the Bhagavat Purana (4.8.54).
  • You can also chant the Hare Krishna Maha-Mantra on the Tulasi bead.
  • You can offer flowers and chant Vishnu Sahasranamam (Thousands name of Lord Vishnu). Chanting thousand names of Vishnu or Vishnu Strotram has a purifying effect on the mind and the body. You can also play it in the morning while you engage in daily works. More details here.
  • You can also perform a Vishnu Sahasranama Puja under qualified Brahmins. It is a highly recommended activity on this day. The puja includes Vishnu- Lakshmi Abhishek and Pujan, Vishnu mantra Japa- 1100 times, Vishnu Sahasranama Strotra followed by Homa and Aarti.
  • You can wear a Ten Mukhi and a Nineteen Mukhi Rudraksha beads for they are ruled by Lord Krishna and Narayana, respectively. Wearing these Rudraksha beads on this day purifies your inner self and strengthens your will power. They work like a shield on one's body and the wearer gets immense protection from negative energies, evil eye and psychic attacks.
  • Donate clothes, food grains, umbrellas, hand-fans, pitchers filled with water and any other items to Brahmins.

Auspicious Pujas To Be Performed On Onam

Vishnu Sahasranamam

Nag Panchami Puja You can also perform a Vishnu Sahasranama Puja under qualified Brahmins on during Onam festival. Vishnu Sahasranama Puja includes devotional Vedic hymns that glorify one thousand names of Lord Vishnu. These hymns are described in the 149th chapter Anushasanika Parvam of the Mahabharata. Bhishma Pitamaha teaches the Vishnu Sahasranama to King Yudhisthira, the eldest of Pandavas. The puja includes Vishnu- Lakshmi Abhishek and Pujan, Vishnu mantra Japa- 1100 times, Vishnu Sahasranama Strotra followed by Homa and Aarti. This puja includes Vishnu- Lakshmi Abhishek and Pujan, Vishnu mantra Japa- 1100 times, Vishnu Sahasranama Strotra followed by Homa and Aarti.
Benefit of this puja:

  • Best for those seeking to build wealth and double their investment
  • Gives success at personal and professional levels
  • Grace of Lord Vishnu (Lord Vamana)
  • Removes inauspiciousness from your home
Book Puja Now

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