Kalashtami falls on the Ashtami tithi of Krishna Paksha every lunar month. The name joins kala (time) with ashtami (the eighth day) and points to Lord Kaal Bhairava, the fierce guardian form of Shiva associated with time, discipline and the clearing of fear.
In 2026 the observance comes thirteen times, because December carries two Ashtamis. The foremost of them is Kalabhairava Jayanti on 1 December 2026, the Margashirsha Krishna Ashtami held as the day of Bhairava’s manifestation. This guide gathers the full date list, the classical story, the step-by-step puja vidhi, and the mantras used on the day.
Timings below follow Indian Standard Time. Devotees abroad should convert the tithi to local time; the free daily panchang shows tithi, nakshatra and Rahu Kalam for any city.
What Kalashtami is
Kalashtami — also written Kala Ashtami or Kaal Ashtami — is the monthly vrata observed when the waning moon reaches its eighth day. Tradition links the day to Kaal Bhairava: the form that rides a black dog, bears trident and kapala, and stands as Dandadhipati, the lord of cosmic order.
Scripture does not present Bhairava as a figure of terror alone. He is the force that cuts arrogance, steadies the mind against fear, and marks the boundary between dharma and adharma. Monthly Kalashtami gives householders a regular window to remember that form; the Margashirsha observance, Kalabhairava Jayanti, is treated as the crown of the cycle because it commemorates the first appearance of Kaal Bhairava.
Those who wish a fire offering on the day often turn to a dedicated Kala Bhairava Homa performed with sankalpa in the devotee’s name. The house conducts such rites at its Yagna Ashram and telecasts them live; tradition prescribes the homa for protection and for graha shanti, without promising any fixed worldly result.
All 2026 Kalashtami dates
The list below is drawn from the Hindu panchang for 2026 (IST). Where begin and end times of the Ashtami tithi are known with certainty they are given; on a few months only the civil date of the observance is noted. Confirm the running tithi on the day with the tithi calendar or your local panchang.
| Observance | Date (IST) | Ashtami window (IST) |
|---|---|---|
| Kalashtami | 10 January 2026 (Saturday) | Begins 10 Jan 8:23 AM — Ends 11 Jan 10:20 AM |
| Kalashtami | 9 February 2026 (Monday) | Begins 9 Feb 5:01 AM — Ends 10 Feb 7:27 AM |
| Kalashtami | 11 March 2026 (Wednesday) | Begins 11 Mar 1:54 AM — Ends 12 Mar 4:19 AM |
| Kalashtami | 10 April 2026 (Friday) | Begins 9 Apr 9:19 PM — Ends 10 Apr 11:15 PM |
| Kalashtami | 9 May 2026 (Saturday) | Begins 9 May 2:02 PM — Ends 10 May 3:06 PM |
| Kalashtami | 8 June 2026 (Monday) | See local panchang |
| Kalashtami | 7 July 2026 (Tuesday) | See local panchang |
| Kalashtami | 5 August 2026 (Wednesday) | Begins 5 Aug 8:42 PM — Ends 6 Aug 6:52 PM |
| Kalashtami | 4 September 2026 (Friday) | Begins 4 Sep 2:25 AM — Ends 5 Sep 12:13 AM |
| Kalashtami | 3 October 2026 (Saturday) | See local panchang |
| Kalashtami | 1 November 2026 (Sunday) | Begins 1 Nov 2:51 PM — Ends 2 Nov 1:10 PM |
| Kalabhairava Jayanti | 1 December 2026 (Tuesday) | Begins 1 Dec 12:11 AM — Ends 1 Dec 11:13 PM |
| Kalashtami | 30 December 2026 (Wednesday) | Begins 30 Dec 12:36 PM — Ends 31 Dec 12:32 PM |
Kalashtami falling on a Sunday or Tuesday is traditionally held especially suitable. The 1 December Jayanti in 2026 falls on a Tuesday, which classical panchang notes as aligning with Mangala’s courage and with Bhairava’s own warrior character.
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2026 Kalashtami
All thirteen Kalashtami dates in 2026
- 8:23 AMtami window (IST) Kalashtami 10…
- 10:20 AM23 AM — Ends 11…
- 5:01 AM20 AM Kalashtami 9 February…
The Ashta Bhairavas
- Asitanga Bhairava — East
- Rudra Bhairava — South-East
- Chanda Bhairava — South
- Krodha Bhairava — South-West
- Unmatha Bhairava — West
When Ashtami spans the night hours in your local zone
Kalabhairava Jayanti and the monthly cycle
sankalpa · vidhi · agni
ASTROBHAVA.COMindividually performed Vedic rituals, telecast live
Origin in the Shiva Purana
The Shiva Mahapurana recounts a dispute among the Trimurti over supremacy. When Brahma spoke with arrogance, Shiva manifested the blazing form of Kaal Bhairava. With a nail Bhairava severed the fifth head of Brahma — the head that had uttered falsehood — as a cosmic correction. That event is placed on Margashirsha Krishna Ashtami, which is why Kalabhairava Jayanti stands above the other monthly Kalashtamis.
A related strand of lore links Bhairava to the aftermath of Daksha’s yajna and Sati’s self-immolation, when Shiva’s grief and rage took the Kaal Bhairava form. Later tradition speaks of the union of Kali and Bhairava giving rise to the Ashta Bhairavas — eight directional guardians. The monthly fast is therefore read not only as a personal vrata but as a reconnection with that narrative of order restored.
The Ashta Bhairavas
Serious observance on Kalashtami may include remembrance of the eight forms, each linked in Agama tradition to a direction:
- Asitanga Bhairava — East
- Rudra Bhairava — South-East
- Chanda Bhairava — South
- Krodha Bhairava — South-West
- Unmatha Bhairava — West
- Kapali Bhairava — North-West
- Bhishana Bhairava — North
- Samhara Bhairava — North-East
In Kashi, devotees still walk the eight-temple circuit of the Ashta Bhairava. Those who cannot travel may keep the same sankalpa at home, or request an Ashta Bhairava Homa in which all eight forms are invoked in sequence. Individual forms such as Asitanga and Samhara also have their own dedicated rites in the classical lists.
Puja vidhi for the Kalashtami vrat
The following sequence is the householder vidhi commonly taught for Kalashtami. Adjust only where family custom or a guru’s instruction differs.
1. Brahma muhurta bath. Rise before sunrise, bathe, and if Ganga jal is available add a few drops, or mentally invoke the tirthas into the water.
2. Sankalpa. State name, gotra and the resolve to keep the fast and worship Kaal Bhairava on this Ashtami.
3. Altar. Cover a clean chowki with red or black cloth. Place a murti or image of Kaal Bhairava; images of Shiva and Parvati may stand beside him.
4. Offerings. Light a four-wick (char-mukhi) oil lamp and dhoop. Offer black sesame (kala til), mustard oil, red or dark flowers, coconut, imarti or jaggery sweet, betel leaf and nut. Camphor and a simple naivedya complete the set. Some tantric lineages include a symbolic madya offering; non-tantric householders omit it.
5. Path and japa. Recite Kaal Bhairava Ashtakam and, where known, a Bhairava stotra. Chant the mula mantra 108 times on a rudraksha mala.
6. Feeding a black dog. Bhairava’s vahana is the dog. Offering milk, curd or simple food to a black dog is held highly meritorious on this tithi.
7. Night vigil. The fast is ideally kept through the night. Many families hold a jagran with bhajans and the telling of Bhairava’s legends. Break the fast the next morning after a brief puja, on sattvic food.
What to set aside for the day: harsh speech, argument, and tamasic food. Grains and non-vegetarian fare are avoided by those on a full or partial fast. Fruits, milk and curd are the usual partial-fast fare.
Mantras used on Kalashtami
Mantra japa is the heart of the observance. Three forms are widely used.
On Kalabhairava Jayanti some sadhakas raise the count to 1,008 or more. Correct pronunciation matters more than volume; the guide on how to chant a mantra sets out pace, breath and mala use. For a full fire rite with extended japa, the house’s priests perform Kala Bhairava Homa under the broader protection and negative-energy grouping of homas.
Kalabhairava Jayanti and the monthly cycle
Every Krishna Ashtami is Kalashtami; only the Margashirsha instance is Kalabhairava Jayanti — the day tradition marks as Bhairava’s āvirbhāva. In 2026 that day is Tuesday, 1 December, with the Ashtami running almost the full civil day in IST.
Temples in Kashi, Ujjain and other Bhairava kshetras hold special abhisheka and night processions. The eight-temple walk of the Ashta Bhairava is begun by many on this tithi. At home the same day is kept with deeper japa, a stricter fast, and, where possible, a homa.
Classical remedy literature also places Bhairava worship beside graha shanti for the nodes and for Shani. Devotees who are tracking Sade Sati or a Rahu–Ketu period often check the running dasha on a Sade Sati calculator and keep Kalashtami as one of the regular observances their acharya has named — again as prescription of tradition, not as a guaranteed planetary cure.
AstroBhava’s priests perform Kala Bhairava and Ashta Bhairava rites at the Yagna Ashram in Pollachi, Coimbatore District, with live telecast to devotees wherever they live. Yantra Pujas are performed in our consecrated sanctum. One clear sankalpa on the correct tithi is the essential link between the household and the altar.
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Saraswathi Venkataraman writes on the almanac — tithi, nakshatra, yoga and the choosing of auspicious times. She works from the same panchang engine this site publishes daily.