Ganesh Chaturthi
The installation of Ganapati on the fourth tithi of bright Bhadrapada, observed at midday — and the moon not looked at.
Where it is kept Maharashtra and Goa above all; also Karnataka, Andhra Pradesh, Telangana, Tamil Nadu, Gujarat and Madhya Pradesh.
When it falls
Computed from the Moon's elongation from the Sun. The civil day is the one carrying the tithi running at midday — the madhyahna division.
Overview
A clay image is brought home or into the public pandal, installed with pranapratishtha, kept for a day and a half, three, five, seven or ten days, and then carried to water and immersed. The installation is done in the madhyahna window around local noon, which is the birth-hour the tradition gives and the rule this site uses to fix the date.
Modak is the offering — the steamed rice-flour dumpling with a coconut and jaggery filling — and twenty-one is the customary number. The ten-day form ends on Anant Chaturdashi with the largest immersion processions of the Indian year.
Where it comes from
The household observance is old. The public festival is not: Lokmanya Tilak reorganised it in Pune in 1893 into a street festival with public pandals, on the reasoning that colonial law restricted political assembly but not religious gathering. The sarvajanik Ganeshotsav was built as a space where people could lawfully meet in numbers, and it worked.
This is one of the clearest cases in the calendar of a festival whose modern form has a documented author and a documented political purpose. The scale of the Mumbai and Pune celebrations today follows directly from that decision.
Why it matters
Ganapati is invoked first in any undertaking, and the festival is the annual form of that — the deity of beginnings installed at the point in the year when the monsoon is ending and work resumes.
The immersion is the part that carries the meaning: the image is made, lived with, and deliberately dissolved. The tradition builds in its own ending.
How to celebrate
- Install the image at midday, in the madhyahna windowThe birth-hour rule that fixes the date also fixes the hour.
- Use an unpainted clay image, or a shadu-mati onePlaster of Paris does not dissolve and the paints carry lead and mercury; clay is what the tradition specifies and what the water can take.
- Offer twenty-one modaks and twenty-one durva bladesThe customary count for both.
- Immerse in a designated tank if one is providedMost municipalities now provide artificial ponds; the rite is unaffected and the lake is.
What to avoid
These are not all the same kind of thing. Some are prohibitions from a named text, some are Indian law, some are practical, and some are a confusion worth not repeating. Each item says which it is.
- Do not look at the moon on this nightThe best-known prohibition of the day: seeing the Bhadrapada Chaturthi moon is held to bring a false accusation, from the Syamantaka jewel episode in the Bhagavata. If you see it by accident, the remedy given is to hear that story.
- Do not immerse a plaster-of-Paris image in a lake or riverIt does not dissolve, the paint is toxic, and several states now restrict it. The clay alternative is the older practice in any case.
- Do not immerse the accessories — cloth, plastic flowers, thermocolOnly the image goes into the water; the rest is removed first.
- Do not keep the image beyond the number of days you declared at installationThe span is stated in the sankalpa — a day and a half, three, five, seven or ten — and the immersion follows it.
Where this comes from
Everything above is either computed by this site’s own panchang engine, or drawn from the works listed here. Where a custom is modern, commercial or contested, the page says so rather than presenting it as ancient.
- Bhagavata Purana 10.56–57, the Syamantaka episode, for the prohibition on viewing the moon and the remedy of hearing the story.
- Nirnayasindhu, for the madhyahna-vyapini rule that selects the civil day.
- The reorganisation of the public festival by Bal Gangadhar Tilak at Pune in 1893, a documented and dated modern development.
Dates are computed for the place named above and will differ elsewhere. Regional traditions vary; where two reckonings are in use, both are named rather than one being chosen silently.
Other festivals
All festivals, with dates for any year · The calendar on the home page