Fasting in Hinduism — Ekadashi, Navratri, Monday & Thursday Vrat Rules

Fasting, known as vrat or upvas in Sanskrit, is one of the most widely practiced spiritual disciplines in Hinduism. The word "upvas" literally means "sitting near God," revealing that the true purpose of fasting extends far beyond abstaining from food. It is a practice of bringing the mind closer to the divine through physical self-discipline. Nearly every day of the Hindu week is associated with a specific deity and fasting tradition. Additionally, the lunar calendar provides fasting days like Ekadashi (twice monthly), Pradosh (twice monthly), and extended fasting periods during festivals like Navratri and Shravan. Whether it is a complete fast without food and water or a modified fast with fruits and specific foods, Hindu fasting traditions offer something accessible for every level of practitioner.

Weekly Fasts: Which Day for Which Deity

Each day of the Hindu week is associated with a celestial body and deity, creating a structured system of weekly fasts. Monday (Somvar) is dedicated to Lord Shiva, and the fast is especially popular among unmarried women seeking a good husband and married women seeking family prosperity. The 16-Monday (Solah Somvar) vrat is particularly powerful. Tuesday (Mangalvar) is sacred to Lord Hanuman and Goddess Durga, with fasting for courage, strength, and protection. Wednesday (Budhvar) is for Lord Ganesha and planet Mercury, observed for intellect and success in education. Thursday (Guruvar/Brihaspativar) is dedicated to Lord Vishnu and Guru Brihaspati, and is widely observed for prosperity, marital harmony, and removal of financial difficulties. Friday (Shukravar) is for Goddess Lakshmi and Santoshi Mata. Saturday (Shanivar) is for Lord Shani (Saturn) and Hanuman, observed to reduce Saturn's malefic effects.

Monday (Somvar) — Lord Shiva, for family welfare and good spouse

Tuesday (Mangalvar) — Hanuman/Durga, for strength and protection

Wednesday (Budhvar) — Ganesha, for wisdom and education

Thursday (Guruvar) — Vishnu/Brihaspati, for prosperity and marriage

Friday (Shukravar) — Lakshmi/Santoshi Mata, for wealth and happiness

Saturday (Shanivar) — Shani/Hanuman, for protection from Saturn

Ekadashi: The Most Sacred Fasting Day

Ekadashi, the 11th day of each lunar fortnight, occurs twice a month and is considered the most spiritually potent fasting day in the Vaishnava tradition. There are 24 Ekadashi days in a year (sometimes 26), each with its own name and story. The most significant include Nirjala Ekadashi (complete dry fast, considered equal to all other Ekadashis), Devshayani Ekadashi (when Lord Vishnu goes to sleep), Prabodhini Ekadashi (when Vishnu wakes up), and Kamada Ekadashi (which fulfills desires). The traditional Ekadashi fast involves abstaining from grains, beans, and certain vegetables. Devotees eat only fruits, nuts, milk, and specific items like sabudana (tapioca), singhara (water chestnut) flour, and potatoes. Strict observers take only water. The fast begins at sunrise on Ekadashi and is broken the next morning after sunrise during the approved parana window.

Occurs twice monthly — 24-26 Ekadashis per year

Most sacred fasting day for Vishnu devotees

Nirjala Ekadashi — complete dry fast (no food or water)

Grains, beans, and certain vegetables are avoided

Permitted: fruits, nuts, milk, sabudana, singhara, potato

Fast broken next morning during specific parana time window

Navratri and Extended Festival Fasts

Navratri, meaning nine nights, occurs four times a year, with the Sharad Navratri (September-October) and Chaitra Navratri (March-April) being the most widely observed. Many devotees fast for all nine days, eating only special vrat foods. The Navratri diet typically includes kuttu (buckwheat) flour, singhara (water chestnut) flour, sabudana (tapioca), sendha namak (rock salt), potatoes, fruits, milk products, and selected vegetables. Regular table salt, grains, onion, garlic, and non-vegetarian food are strictly avoided. Some devotees observe full fasts on the first and last days and eat one vrat meal on the other days. The Shravan month (July-August) is another extended fasting period, especially important for Shiva devotees, during which many observe Monday fasts and maintain a vegetarian diet throughout.

Sharad Navratri (Sep-Oct) and Chaitra Navratri (Mar-Apr) are most observed

Nine-day fast dedicated to nine forms of Goddess Durga

Permitted: kuttu flour, singhara flour, sabudana, fruits, dairy

Avoided: grains, regular salt, onion, garlic, non-veg

Shravan month — extended fasting period sacred to Lord Shiva

Many observe "one meal a day" rule during these periods

Pradosh, Satyanarayan, and Special Fasts

Pradosh Vrat is observed on the 13th day (Trayodashi) of each lunar fortnight, dedicated to Lord Shiva. The fast is kept during the day and worship is performed during the pradosh kaal (the period around sunset, approximately 1.5 hours before and after). Shani Pradosh (when it falls on Saturday) and Soma Pradosh (Monday) are considered especially powerful. Satyanarayan Vrat is dedicated to Lord Vishnu (Satyanarayan) and is typically performed on Purnima (full moon day). This is a flexible vrat that can also be observed on any auspicious day. The puja involves reading the Satyanarayan Katha (story) in five chapters and offering prasad made from wheat flour, sugar, bananas, and ghee. Karva Chauth, observed by married women for their husbands' longevity, involves a strict nirjala (waterless) fast from sunrise to moonrise.

Pradosh Vrat — 13th day fast for Lord Shiva, worship at sunset

Shani Pradosh and Soma Pradosh are the most powerful

Satyanarayan Vrat — Purnima day fast for Lord Vishnu

Satyanarayan Katha reading is central to the puja

Karva Chauth — married women fast sunrise to moonrise for husbands

Chhath Puja — 4-day fast honoring the Sun God (especially in Bihar)

Rules, Guidelines, and Benefits of Fasting

Hindu fasting follows general principles applicable across most vrats. The fast typically begins at sunrise and ends at a specified time (next sunrise, moonrise, or a specific parana window). During the fast, the mind should remain focused on the deity through prayer, mantra chanting, and reading sacred stories (vrat kathas). Many fasts have specific foods that are permitted (vrat ka khana) and specific foods that must be avoided. Rock salt (sendha namak) replaces regular salt. Onion, garlic, and non-vegetarian food are universally avoided. The benefits of fasting are both spiritual and physical. Spiritually, fasting develops willpower, detachment from sensory pleasures, and earns divine grace. Physically, periodic fasting allows the digestive system to rest, promotes detoxification, and has been linked to improved metabolic health. The key principle is that fasting should be joyful and devotional, not merely punitive.

Fast begins at sunrise, ends at specified time per vrat tradition

Keep mind focused on deity through prayer and mantra

Rock salt (sendha namak) replaces regular salt during fasts

Universal avoidance: onion, garlic, regular grains, non-veg

Develops willpower, discipline, and spiritual merit

Allows digestive rest and promotes physical detoxification

Fasting should be joyful and devotional, not punitive