What do Shaastras say about Adhika Masa?

  • What are are the explanations for this month, including any definitions? Background to the names like Mala Maasa, Purushottam Maasa, etc.
  • What are the things described as shresta during this month?
  • Restrictions on doing religious ceremonies (Upanayana, wedding, etc.)
  • Any notable events from Ithihasas/Puranas from this month?

[Not looking for explanation on why Adhika masa calculated....i.e, 10 or 11 days carry over every year and becoming an extra month]

Thank you.

1 Answer 1


Adhik Maas, also called as Purushottam Maas is a month dedicated to the purushottam maha vishnu. The lord of the month is Vishnumurthy. This month is inserted in calendar in order to bring a balance between solar and lunar years.

Adhik Maas does not have a Sankranti, I.e there is no movement of the Surya from one Rashi to the other. A typical Lunar month has one Sankranti called Maasa Sankranthi. Adhik Maas doesn't have any sankranti. The sun remains in the same house and changes only later

Adhik maas is a month which occurs randomly between any two months. It is not fixed. Adhik maas occurs once in every three years approximately. This month is special and marked with high importance of praying Shri Maha Vishnu

A lunar month has 29 days and a solar month has 30 to 31 days. A lunar year is totalled to 354 days and a solar to 365days. Lunar year usually starts earlier to solar year. A gap of 11days occurs between them and in 3 years it sums up to a month.

This 13th extra month is called as Adhik Maas. Adhik maas is added to the calendar when the Amavasya and Surya Chalan ( Sankranti) coincides. This month adopts the name of month which follows.

Similarly there is Kshaya Maas. This occurs when there are only 11 months in a year. A month falls short in a year and is very rare in occurence. It happens once in 140 to 190 years. During kshaya Maas 2 sankrantis occurs in same month.

What not to do ?

  • Starting new works
  • Janeu Sanskaar
  • Griha Pravesh
  • Buying a vehicle
  • Opening a new business
  • Starting any machinery
  • Mundan Sanskar, Sagai
  • Buying Gold Ornaments or silver
  • Marriages
  • Taamasik Bhojan
  • Digging a well

New initiations are not practiced during Adhik Maas strictly. The mentioned above are basic ones and there are many more recommendations.

Looking at the spiritual significance of the month, Adhik Maas vrat is kept by the people. Some perform Jaap, Puja, Aaradhana, Daan, Purana shravan etc. This practice of remembering Shri vishnu helps devotee enjoy worldly pleasures & attains moksha reaching Vishnu Lok / Vaikunth

Adhik Ashwin 2020 starts from Sept 18th and ends October 16th. Nij Ashwin starts from Oct 17th and the Sharadiya Devi Navratri starts on that day. Selfless pujas and Dana are performed during Adhik Maaa for vishnumurthy's blessings.

"avikArAya SuddhAya nityAya paramAtmane sadaika-rUpa-rUpAya vishNave sarva-jishnave"

We have posted this thread on Adhikmasa at This link on twitter

  • 1
    thanks; I had most of these information. I am looking references from scriptures to the Definitions/Dos/Don'ts.
    – Kanthri
    Sep 29, 2020 at 14:41
  • sure , I would love to make it possible here in next answer. Sep 29, 2020 at 22:42

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