Part of the India health ring
VratFuel

27 fasts and observances

Each one covered the same way: what the observance is, what is customarily eaten and set aside, how long it runs, and how to hold it without wrecking training, sleep or blood sugar.

Hindu observances

Hindu observances covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Sharad Navratri Nine days, the longest vrat most people keep Nine days Demanding
Chaitra Navratri Spring Navratri, ending at Ram Navami Nine days Demanding
Ekadashi Twice a month, the most frequently kept vrat of all Typically from sunrise on Ekadashi to the paran window on Dwadashi the following morning Moderate
Nirjala Ekadashi Without water — the most demanding fast in the Hindu year Roughly 24 hours Very demanding
Karva Chauth Sunrise to moonrise, kept without water in its full form From before sunrise to moonrise Demanding
Maha Shivratri A day fast followed by a night of jagran Roughly 24 hours across the day and the night vigil Demanding
Krishna Janmashtami Fasting until midnight, when the birth is celebrated From sunrise until midnight Demanding
Sankashti Chaturthi Monthly, broken after moonrise From sunrise to moonrise Moderate
Ganesh Chaturthi A festival of prasad more than a fast One day of fasting for many; the festival itself runs up to eleven days Light
Purnima Vrat The full-moon fast, monthly Sunrise to moonrise or evening Moderate
Amavasya Vrat The new-moon observance, often for the ancestors Usually a day of restraint rather than abstention Light
Pradosh Vrat Twice a month, broken in the twilight hour Sunrise to sunset Moderate
Chhath Puja The 36-hour nirjala fast About 36 hours without food or water for the main fast Very demanding
Hartalika Teej A 24-hour nirjala fast, kept overnight About 24 hours Very demanding
Vat Savitri Vrat A day fast at the banyan tree Sunrise to the completion of the puja Demanding
Somvar Vrat The Monday fast for Shiva Sunrise until the evening puja Moderate
Solah Somvar Vrat Sixteen consecutive Mondays Sixteen weeks Moderate
Mangalwar Vrat The Tuesday fast for Hanuman Sunrise until the evening Moderate
Guruvar Vrat The Thursday fast, with yellow food Sunrise to the evening meal Light
Shanivar Vrat The Saturday fast for Shani Sunrise to the evening Moderate
Shukravar Vrat (Santoshi Mata) Sixteen Fridays, and no sour food Sunrise to the afternoon or evening meal Light

Jain observances

Jain observances covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Paryushan Parva Eight or ten days of the most structured fasting in India Eight or ten days Very demanding
Ayambil Oli Nine days of a single bland meal Nine consecutive days Demanding

Islamic observance

Islamic observance covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Ramzan (Ramadan) Roza A month of daily fasting from dawn to sunset Daily Demanding

Christian observance

Christian observance covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Lent Forty days of abstinence, observed very differently across churches Forty days Moderate

Sikh observance

Sikh observance covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Guru Nanak Gurpurab Not a fast — and that is the point Not applicable No fast

Buddhist observance

Buddhist observance covered on VratFuel, with how demanding each tends to be.
ObservanceIn shortHow longDemand
Uposatha Not eating after noon, on observance days From noon to dawn the next day Moderate

This site does not publish fasting or prayer times

Sehri, iftar, moonrise, sunset and the start and end of any religious fast depend on your exact location and date, they are religiously significant, and an inaccurate figure would cause real harm — someone eating when they should have stopped, or going without when they need not have. VratFuel deliberately computes none of them. Use your local mosque's timetable, your community's announced panchang, or an established timetable service for your city. Those are the correct sources and they are readily available.

The practical guides

ആരൊക്കെ വ്രതം എടുക്കരുത്The most important page on this site. Fasting is safe for most healthy adults and genuinely unsafe for some people — and every tradition described here has provisions for exactly that.വ്രതത്തിനിടയിലെ ജലാംശംMost of what people blame on hunger during a fast is actually fluid. Here is what is really happening, and what you can do about it inside your own observance.Training while fastingYou can usually keep training through a fast. What has to change is when, how hard, and how honest you are about recovery.Breaking a fastThe paran or iftar meal decides how you sleep, how you feel the next morning and — over a nine-day vrat — whether you finish heavier than you started.വ്രതവും രക്തത്തിലെ പഞ്ചസാരയുംVrat food is starch-dominant, not light. If you manage blood glucose, that is the single most important sentence on this site.Fasting and sleepJagran, a midnight paran, sehri splitting the night — the sleep cost of an observance is usually larger than the food cost, and almost nobody plans for it.Protein during a vratThe permitted food list on most Hindu fasts is starch-dominant by construction. Over nine days that matters, and here is what actually fixes it.Lighter vrat food, same rulesEvery swap on this page stays inside the commonly permitted food list. Nothing here asks you to change what your family observes — only how it is cooked.Sendha namak and electrolytesRock salt is customary on a vrat for religious reasons. It also happens to be the reason some fasting days go better than others, and the no-salt vrats are the ones worth watching.Caffeine and fasting headachesThe mid-morning headache on a vrat day is far more often caffeine withdrawal than hunger — and it is the one problem on this site with a completely free fix.Fasting and medication timingA fast does not change what you need to take. It changes when you can take it, and whether there is food with it — which for some medicines is the whole point.Sehri and iftar nutritionThis page deliberately publishes no timings. It covers what makes a sehri hold you through a long day and what makes an iftar something you can sleep after.Nine days of Navratri without losing muscleA practical plan for anyone who trains, built entirely inside the commonly permitted phalahar list.Fasting and women's healthMost of the long, difficult fasts in India — Karva Chauth, Hartalika Teej, Chhath, Vat Savitri — are kept primarily by women. This page covers what that means physically.

SOURCE·Published vrat traditions + IFCT 2017·observance accounts and food composition·REVIEWED JUL 2026

Practices are described as commonly observed; customs differ by family, region, community and sampradaya, and this site is not an authority on any of them. Food values come from the Indian Food Composition Tables 2017 (ICMR–NIN), the older ICMR–NIN tables, USDA FoodData Central, named composition studies and the shared ThaliFacts dataset, reconciled against Atwater factors on every build. Which source applies to which food is listed per food, and every source carries the date it was last checked. General information only — not medical or religious guidance. Fasting is not safe for everyone, particularly during pregnancy or with diabetes or other conditions. Speak to a doctor first.

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ThaliFacts

What the vrat foods cost, counted per serving rather than per 100 g.

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The same foods, counted going in — 1,799 of them, straight from the USDA tables.

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പ്രസിദ്ധീകരിച്ചത്

Amit Sharma

ഓക്ക്‌ലൻഡിലെ റിയൽ എസ്റ്റേറ്റ് ഏജന്റും മാർക്കറ്ററും. സൗജന്യമായ, സ്രോതസ്സ് വ്യക്തമാക്കിയ ഡാറ്റാ ടൂളുകൾ നിർമ്മിക്കുന്നു.

ഈ പ്രവർത്തനം പിന്തുടരുക