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Fasting Days for Each Planet: A Vedic Astrology Remedy Guide

Learn which day to fast for each planet in Vedic Astrology, the proper fasting methods, foods to eat and avoid, and how fasting strengthens planetary energies.

Pandit Suresh Joshi|January 29, 2026|4 min read|25 views

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Fasting Days for Each Planet: A Vedic Astrology Remedy Guide

Fasting (Vrat/Upvas) is one of the simplest yet most effective Vedic astrological remedies. By observing fasts on specific planetary days, you align yourself with that planet's energy and can either strengthen its positive effects or pacify its challenging influence.

The Science Behind Astrological Fasting

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Fasting works on multiple levels:

  • Physical: Detoxifies the body, improves digestion (linked to the planet being addressed)
  • Mental: Develops discipline and willpower
  • Spiritual: Creates a channel for planetary grace
  • Karmic: Reduces negative karma associated with the afflicted planet

Fasting Guide for Each Planet

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Sunday - Sun (Surya) Fast

Who should fast: Those with weak or afflicted Sun; during Sun Dasha Method:

  • Eat only once before sunset
  • Consume wheat-based food, jaggery, fruits
  • Avoid: Salt (some traditions), non-vegetarian food
  • Offer water to the Sun at sunrise
  • Wear red or saffron clothing
  • Chant Surya Mantra 108 times

Benefits: Improves vitality, confidence, career authority, father relationship, eye health

Monday - Moon (Chandra) Fast

Who should fast: Those with weak Moon; during Moon Dasha; for mental health Method:

  • Eat only white foods: milk, rice, yogurt, coconut
  • Some observe liquid-only fasts
  • Avoid: Heavy, oily, and non-vegetarian food
  • Wear white clothing
  • Visit Shiva temple (Monday is Shiva's day)
  • Offer milk to Shivalinga

Benefits: Emotional stability, mental peace, better sleep, improved intuition, mother's blessings

Tuesday - Mars (Mangal) Fast

Who should fast: Those with Mars afflictions; Manglik Dosha; during Mars Dasha Method:

  • Eat only once, preferably after sunset
  • Consume wheat-based food, red lentils, jaggery
  • Avoid: Salt, non-vegetarian food, anger
  • Visit Hanuman temple
  • Wear red clothing
  • Donate red items: vermillion, red cloth, red lentils

Benefits: Courage, property success, Manglik Dosha reduction, blood health, sibling relations

Wednesday - Mercury (Budh) Fast

Who should fast: Those with weak Mercury; communication issues; during Mercury Dasha Method:

  • Eat green foods: moong dal, green vegetables
  • Some traditions observe partial fasting (eating only once)
  • Avoid: Non-vegetarian food
  • Wear green clothing
  • Feed green parrots or birds
  • Donate green items and moong dal

Benefits: Better communication, business growth, education success, nervous system health, skin improvement

Thursday - Jupiter (Guru/Brihaspati) Fast

Who should fast: Those with weak Jupiter; for wealth, wisdom, children; during Jupiter Dasha Method:

  • Eat only once, consuming yellow foods: chana dal, bananas, turmeric-flavored items
  • Avoid: Salt, non-vegetarian food, cutting hair/nails
  • Wear yellow clothing
  • Visit temple, worship Guru (teacher)
  • Read scriptures or spiritual texts
  • Offer yellow flowers to Vishnu

Benefits: Wisdom, wealth, children, education, spiritual growth, teacher's blessings

Friday - Venus (Shukra) Fast

Who should fast: Those with weak Venus; for love/marriage; during Venus Dasha Method:

  • Eat only once, preferring white foods: rice, milk, kheer
  • Avoid: Sour and pungent foods
  • Wear white or pastel clothing
  • Offer white flowers to Lakshmi or Durga
  • Practice gratitude for beauty in life
  • Give sweets to young girls (kanyadaan tradition)

Benefits: Love, marriage harmony, beauty, luxury, artistic abilities, reproductive health

Saturday - Saturn (Shani) Fast

Who should fast: Those experiencing Sade Sati; Saturn Dasha; career challenges Method:

  • Eat only once, after sunset if possible
  • Consume black sesame, urad dal, mustard oil foods
  • Avoid: Salt (some traditions), alcohol, lying
  • Wear black or dark blue clothing
  • Light a sesame oil lamp
  • Visit Shani temple or recite Hanuman Chalisa
  • Serve the poor, elderly, or disabled

Benefits: Career stability, reduced delays, Sade Sati relief, karmic clearing, discipline and longevity

General Fasting Guidelines

  1. Start on a Shukla Paksha day (waxing Moon) for the first fast
  2. Continue for at least 21 or 40 weeks for meaningful results
  3. Maintain the fast with devotion - reluctant fasting yields minimal results
  4. Break the fast properly with light food
  5. Combine with the planet's mantra for enhanced effect

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