What Is Angarki Chaturthi?

When the fourth day after the full moon happens to land on a Tuesday, that day is called Angarki Chaturthi. It draws its name from Angaraka — the fiery red planet Mars, also known as Mangal, the very deity that gives Tuesday (Mangalvar) its name. Devotees hold this combination of day and date in special regard, believing that prayers offered on an Angarki Chaturthi carry extra weight and that the fast helps clear away obstacles, since Lord Ganesha is revered as both the remover of hurdles and the master of wisdom.

This convergence isn't an everyday occurrence. Over a span of three years, there are roughly 37 lunar months, and since a week has seven days, simple division shows that a Chaturthi lines up with a Tuesday once in about every five years on average. When you factor in the extra "leap" months that the lunar calendar periodically inserts — about seven such months across a 21-year cycle — an Angarki Chaturthi falling within one of those bonus months becomes even rarer, occurring roughly once every seven years. Whenever the date does fall on a Tuesday, the influence of Mars is believed to intensify the puja, and devotees who fast and worship Ganesha on this day are said to receive especially auspicious blessings.

How the Angarki Chaturthi Puja Is Performed

On this day, devotees traditionally honor Lord Hanuman alongside Lord Ganesha, a pairing believed to soften the harsher effects that Mars can otherwise bring to one's horoscope. The day usually begins early, with a ritual bath using black sesame seeds mixed into the bathing water, followed by Ganesha's worship and the start of the fast. The idol is seated on a red cloth or platform, and offerings of incense, lamps, food, fruit, and flowers are made through the day. As evening falls, a home puja is repeated, this time with Durva grass and modak offered specifically to Ganesha. Once the moon rises, devotees recite Ganpati shlokas before formally closing the fast — finishing with red vermilion (sindoor) applied to the idol and a final offering of Durva grass said to support success in one's efforts.

• Remember Lord Hanuman alongside Lord Ganesha to ease Mars-related effects.
• Bathe early with black sesame seeds added to the water.
• Seat the Ganesha idol on a red cloth or platform.
• Offer incense, lamps, food, fruits, and flowers through the day.
• Repeat the puja in the evening with Durva grass and modak.
• Recite Ganpati shlokas after moonrise, then close the fast.
• Apply red vermilion (sindoor) to the idol as a final gesture.

The Legend Behind Angarki Chaturthi

The story tied to this day reaches back to the Krita Yuga, when the sage Bharadwaj was a devoted worshipper of Ganesha and one of the earliest to spread the practice of Ganesha worship among people. From the lineage of these sages came a fiery, earth-born child named Angaraka, said to have appeared near a Jaaswand (hibiscus) tree with a distinctly reddish complexion. Bharadwaj took the boy under his guidance once he turned seven, teaching him the Vedas along with the mantras of Ganesha worship. Eventually Angaraka withdrew into the forest and undertook a thousand years of penance, at the end of which Lord Ganesha appeared, pleased with his devotion — and, fittingly, that day too was a Tuesday, an Angarki Chaturthi.

Angaraka asked for the boon of carrying nectar from the heavens and being honored across the three worlds. Ganesha granted the request, gave him the name "Angaraka," and linked his devotion to a cycle of 21 Chaturthis, promising that those who observed them faithfully would find success. According to the legend, the merit of Angaraka's penance carries forward even into future ages, so that sincere observance of these 21 Chaturthis is said to help devotees fulfill long-held wishes and free themselves from debts, financial or otherwise.

So whenever Angarki Chaturthi falls — that rare alignment of Chaturthi and Tuesday — devotees are encouraged to observe the fast, whether their goal is to fulfill an unmet desire or to clear a significant obstacle from their path. Tradition holds that on this day Mars exerts its strongest pull toward Earth, making it especially important to follow the fasting routine through to moonrise before closing the vrat.

The above is a devotional account passed down through tradition and is shared here as part of the cultural and spiritual heritage associated with Angarki Chaturthi.

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For the companion legend often read alongside this one, see the Story of Sankashti Chaturthi →