Karthika Masam is described in the Skanda, Padma and Shiva Puranas as the most meritorious month of the year — when even a single lamp lit in devotion removes lifetimes of sin. In 2026 the Telugu (Amanta) Karthika Masam runs 10 November to 8 December. It is the great month of Deepam and Hari-Hara — Shiva on Mondays, Vishnu through Tulasi and Ekadashi — opening just after Deepavali (~8 November).

Karthika Masam 2026 by country

Local dates differ by country: in the USA, Canada and the UK the month begins on Monday 9 November (five Somavarams), while India, the UAE and Australia begin on Tuesday 10 November (four).

Karthika Masam 2026 Dates — Amanta vs Purnimanta

  • Telugu / Kannada / Marathi / Gujarati (Amanta): 10 November – 8 December 2026. Shukla Paksha 10–24 Nov; Krishna Paksha 25 Nov – 8 Dec. Margasira begins 9 December.
  • North India (Purnimanta) Kartik: approximately 26 October – 24 November 2026.
  • Gateway: Deepavali ~8 November 2026 (Ashwayuja Amavasya — the doorway into the month).
  • Samvatsara: Sri Parabhava nama samvatsaram, Shaka 1948.

Why Karthika Is the Most Meritorious Month

Karthika takes its name from the Krittika nakshatra that graces its Purnima. It is one of the four holy months and uniquely honours both great deities — hence "Hari-Hara." The Puranas declare that Deepa Daanam (offering lamps), Karthika Snanam (the pre-dawn holy bath) and Tulasi worship in this month carry immense merit; it is supremely auspicious for sadhana, charity and devotion.

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Karthika Somavaram, Deepa Daanam & Snanam

  • Karthika Somavaram (Mondays — Shiva, Rudrabhishekam, Bilva, fasting): 16, 23, 30 November & 7 December 2026
  • Karthika Snanam: a pre-dawn holy bath, kept daily through the month
  • Deepa Daanam: lighting lamps daily — on Tulasi, in temples and by rivers — the signature act of Karthika

Karthika Masam 2026 Festival Calendar (IST)

  • ~10 Nov – Bali Padyami / Govardhan; Gujarati New Year (month opens)
  • ~11 Nov – Bhai Dooj / Bhagini Hasta Bhojanam (Yama Dwitiya)
  • ~13 Nov – Nagula Chavithi (Telugu Naga worship)
  • ~15 Nov – Subrahmanya / Skanda Shashti
  • ~17 Nov – Gopashtami
  • ~20 Nov – Karthika Ekadashi (Prabodhini / Utthana) — Vishnu wakes; Chaturmasam ends; Tulasi Vivah begins
  • ~21 Nov – Ksheerabdi Dwadasi / Tulasi Vivah (Chilkula Dwadasi)
  • ~23 Nov – Vaikuntha Chaturdashi / Bhishma Panchaka ends
  • ~24 Nov – Karthika Pournami — Deepotsavam, Jwala Toranam, Dev Deepawali (also Guru Nanak Jayanti)
  • ~1 Dec – Kalabhairava Jayanti
  • ~3 Dec – Tamil Karthigai Deepam (Thiruvannamalai Mahadeepam)
  • ~5 Dec – Utpanna Ekadashi
  • 8 Dec – Karthika Amavasya — Deepa Daanam, pitru tarpanam (closes Karthika)

Tithi-based dates marked "~" can shift ±1 day against your local panchang; the Monday vrats fall on the same days everywhere.

Karthika Masam Mantras

Shiva (Mondays): ॐ नमः शिवाय · oṃ namaḥ śivāya · ఓం నమః శివాయ.

Vishnu (Ekadashi/Tulasi): ॐ नमो नारायणाय · oṃ namo nārāyaṇāya · ఓం నమో నారాయణాయ.

Lakshmi (Deepavali): ॐ श्रीं महालक्ष्म्यै नमः · oṃ śrīṃ mahālakṣmyai namaḥ · ఓం శ్రీం మహాలక్ష్మ్యై నమః.

How the Diaspora Observes Karthika Masam

  • USA: Shiva & Venkateswara temples and ISKCON for Somavaram, Tulasi Vivah & Deepotsavam; Telugu orgs (TANA, ATA, NATS) for Nagula Chavithi & Vana Bhojanalu.
  • UK: London, Birmingham, Leicester temples for Deepavali, Karthika Somavaram & Karthika Pournami deepotsavam.
  • Canada: Toronto, Brampton, Vancouver temples & Telugu groups; smokeless/LED diyas for daily Deepa Daanam indoors.
  • Australia: Sydney & Melbourne temples for Tulasi Vivah & Karthika Pournami (Southern-Hemisphere late spring).
  • UAE: Dubai & Abu Dhabi temples for Somavaram & Deepotsavam; home Tulasi puja and lamps.
  • Germany: ISKCON & mandirs in Berlin, Frankfurt, Cologne for Deepavali, Tulasi Vivah & Karthika Pournami.

Dates Abroad — Why They May Differ

A tithi is reckoned from local sunrise, so lunar observances (Ekadashi, Dwadasi, Pournami, Amavasya) can fall a day earlier or later outside India. The Monday vrats are the same worldwide. Confirm exact local days with your nearest temple or a regional panchang.

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More Karthika Masam 2026 guides

Karthika Masam 2026 around the world: dates, Somavarams & Shiva temples

Nagula Chavithi, Ksheerabdi Dwadashi & Karthika Pournami 2026 by country

Also read: Karthika Somavaram 2026 dates in India, Karthika deepam timings city-wise, Karthika 2026 temple news and why the month is called Karthika.

Frequently Asked Questions

When does Karthika Masam 2026 start and end?

In the Telugu/Amanta calendar, Karthika Masam 2026 runs 10 November to 8 December. In the North-Indian Purnimanta system, Kartik is roughly 26 October to 24 November 2026.

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Why is Karthika the most meritorious month?

The Skanda, Padma and Shiva Puranas extol Karthika as supremely sacred — even a single lamp lit in Karthika removes lifetimes of sin. Both Shiva (Mondays, Deepam) and Vishnu (Tulasi, Ekadashi) are worshipped.

What are the big Karthika 2026 festivals?

Karthika Somavaram (Mondays), Nagula Chavithi (~13 Nov), Karthika Ekadashi/Tulasi Vivah (~20–21 Nov) and Karthika Pournami / Deepotsavam (~24 Nov); Deepavali (~8 Nov) is the gateway.

Is Karthika auspicious?

Yes — Karthika is supremely auspicious for worship, lamp offerings (Deepa Daanam), holy baths (Karthika Snanam), charity and Vana Bhojanalu, and it is when Chaturmasam ends at Prabodhini Ekadashi.

What is the Karthika 2026 date in the USA / UK?

Fixed-date items match worldwide; lunar (tithi-based) observances may shift ±1 day abroad because the tithi follows local sunrise — confirm with your local panchang.

Key Takeaways

  • Telugu Karthika Masam 2026: 10 November – 8 December (Amanta).
  • The most meritorious month — Deepa Daanam, Karthika Snanam, Hari-Hara worship.
  • Highlights: Karthika Somavaram, Nagula Chavithi, Tulasi Vivah, Karthika Pournami.
  • Deepavali (~8 Nov) is the gateway; Chaturmasam ends at Prabodhini Ekadashi.

Coming next on HinduTone: guides to Karthika Somavaram, Karthika Pournami, Nagula Chavithi, Tulasi Vivah and Deepavali. See also Shravana Masam 2026 and Ashada Masam 2026.