By Pt. Nilesh Sharma
Complete 30-Day Chaitra Calendar, Ten Major Festivals, Nakshatra Transits And Gregorian Dates

Within the mathematical cosmology of the classical Vedic calendar, Vedanga Jyotisha and the Surya Siddhanta, the month of Chaitra holds the foundational station as the very first and most luminous month of the entire annual cycle. It marks the seasonal threshold where late spring (Vasanta) meets the warmth of summer (Grishma), dispelling winter stagnation and awakening biological vitality across the northern hemisphere. The classical Hindu calendar synchronizes both lunar and solar mechanics: the waning dark fortnight marks the solemn completion of the outgoing year, while the inaugural dawn of the bright fortnight inaugurates the New Samvatsara (Vedic New Year).
Astronomically, this month derives its canonical designation from the 14th lunar asterism, Chitra Nakshatra (Spica). On the night of Chaitra Purnima, the full moon attains complete digital reflection at the boundary of Virgo and Libra in close conjunction with Spica. During this month, Lord Surya Deva completes his passage through watery Pisces to enter cardinal fiery Aries (Mesha), reaching his point of maximum exaltation (Paramochha) at 10°. This ingress concludes the restraint of Kharmas, reopening auspicious astrological windows for marriages, housewarmings and the sixteen classical sacraments.
| Astrological Factor | Classical Scriptural and Astronomical Detail |
|---|---|
| Chronological Placement | First Lunar Month (Head of the Cosmic Wheel / Kalapurusha) |
| Fortnight Structure | Krishna Paksha (First 15 Days) and Shukla Paksha (Latter 15 Days) |
| Solar Celestial Ingress | Transit from Pisces into Aries (Mesha Sankranti / Solar New Year) |
| Defining Asterism | Chitra Nakshatra (23°20' Virgo to 06°40' Libra, Ruled by Mars) |
| Major Lunar Milestones | Sheetala Ashtami, Papamochani Ekadashi, Nav Samvatsara, Rama Navami, Hanuman Jayanti |
| Major Solar Celebrations | Mesha Sankranti, Satuani, Baisakhi, Vishu, Puthandu, Poila Baisakh |
| Prescribed Seasonal Diet | Renouncing jaggery (Chaitre gudam tyajet), sattu, terracotta water, neem ingestion |
| Core Elemental Ingress | Transition from Mutable Water to Cardinal Fire |
| Bestowed Spiritual Fruit | Purification of past karmas, ancestral peace, vitality and inner rebirth |
The dark fortnight of Chaitra represents the closing chapter of the outgoing Vedic year. These fifteen days encourage interior reflection, repentance for past unmindful actions, ancestral libations and physiological detoxification through observances like Sheetala Ashtami and Papamochani Ekadashi.
| Lunar Tithi | Gregorian Date (Standard Reference) | Defining Asterism | Governing Yoga | Canonical Festival, Vrata and Liturgical Rite |
|---|---|---|---|---|
| Pratipada | March 16 | Hasta | Vriddhi | Commencement of Chaitra Krishna Paksha, Vasantotsava (Dhulendi / Colors) |
| Dvitiya | March 17 | Chitra | Dhruva | Bhratri Dvitiya (Post-Holi Bhai Dooj), Consecrated river baths |
| Tritiya | March 18 | Swati | Vyaghata | Inception of the 16-day Gangaur Vrata for marital longevity |
| Chaturthi | March 19 | Vishakha | Harshana | Bhalachandra Sankashti Chaturthi (Night moonrise libations to Ganesha) |
| Panchami | March 20 | Anuradha | Vajra | Ranga Panchami (Celebration of colors across Maharashtra and Malwa) |
| Shashthi | March 21 | Jyeshtha | Siddhi | Skanda Shashthi (Adoration of Lord Kartikeya for vitality) |
| Saptami | March 22 | Mula | Vyatipata | Sheetala Saptami, Preparation of cold meals (Basoda offerings) |
| Ashtami | March 23 | Purva Ashadha | Variyan | Sheetala Ashtami (Basoda), Consuming cold foods to balance bile |
| Navami | March 24 | Uttara Ashadha | Parigha | Navami Shraddha, Prayers to Goddess Chandika for seasonal immunity |
| Dashami | March 25 | Shravana | Shiva | Dashami Vrata, Commemorating ascetic vows in Jain tradition |
| Ekadashi | March 26 | Dhanishtha | Siddha | Papamochani Ekadashi (Dissolution of deep-seated past karmas) |
| Dvadashi | March 27 | Shatabhisha | Sadhya | Concluding the Ekadashi fast, Vamana Puja, Tulsi offerings |
| Trayodashi | March 28 | Purva Bhadrapada | Shubha | Bhauma / Soma Pradosha Vrata (Twilight Shiva worship for debt relief) |
| Chaturdashi | March 29 | Uttara Bhadrapada | Shukla | Shiva Chaturdashi, Ancestral offerings, protection against untimely harm |
| Amavasya | March 30 | Revati | Brahma | Chaitra Darsha Amavasya, Deep space cleansing, ancestral libations |
The bright fortnight of Chaitra is the most active and celebratory fortnight of the calendar. The New Samvatsara begins at sunrise on Pratipada alongside Gudi Padwa and Ugadi, while the sacred nine nights of Vasanti Navratri commence with the formal installation of the sanctified water urn (Ghatasthapana). The fortnight culminates in the appearance day of Lord Sri Rama, the solar ingress into Aries and Hanuman Jayanti on the full moon.
| Lunar Tithi | Gregorian Date (Standard Reference) | Defining Asterism | Governing Yoga | Canonical Festival, Vrata and Cultural Observance |
|---|---|---|---|---|
| Pratipada | March 31 | Ashwini | Aindra | Nav Samvatsara Inception, Gudi Padwa, Ugadi, Navratri Ghatasthapana, Neem-Jaggery Ingestion |
| Dvitiya | April 01 | Bharani | Vaidhriti | Mother Brahmacharini Puja, Sindhara Dooj, Cheti Chand (Jhulelal Jayanti) |
| Tritiya | April 02 | Krittika | Vishkumbha | Mother Chandraghanta Puja, Gangaur Tritiya (Gauri Tritiya), Matsya Jayanti |
| Chaturthi | April 03 | Rohini | Priti | Mother Kushmanda Puja, Chaitra Shukla Vinayaka Chaturthi (Midday Ganesha rites) |
| Panchami | April 04 | Mrigashira | Ayushman | Mother Skandamata Puja, Lakshmi Panchami (Sri Panchami), Sacred serpent rites |
| Shashthi | April 05 | Ardra | Saubhagya | Mother Katyayani Puja, Yamuna Chhath (Yamuna Jayanti), Skanda Shashthi |
| Saptami | April 06 | Punarvasu | Shobhana | Mother Kalaratri Puja, Mahasaptami, Navapatrika invocation, Saraswati rites |
| Ashtami | April 07 | Pushya | Atiganda | Durga Mahashtami, Mahagauri adoration, Kanya Puja, Sandhi Puja |
| Navami | April 08 | Ashlesha | Sukarma | Sri Rama Navami (Advent of Lord Rama), Mother Siddhidatri, Maa Tara Jayanti |
| Dashami | April 09 | Magha | Dhriti | Navratri fast conclusion, Aparajita Puja, Dharmaraja Dashami |
| Ekadashi | April 10 | Purva Phalguni | Shula | Kamada Ekadashi (Fulfillment of noble desires; liberation from curses) |
| Dvadashi | April 11 | Uttara Phalguni | Ganda | Vamana Dvadashi, Kamada fast conclusion, Vishnu-Tulsi adoration |
| Trayodashi | April 12 | Hasta | Vriddhi | Mahavira Jayanti (24th Tirthankara Janma Kalyanak), Ananga Trayodashi, Pradosha |
| Chaturdashi | April 13 | Chitra | Dhruva | Pre-Narasimha Jayanti disciplines, Mesha Sankranti Cusp |
| Purnima | April 14 | Chitra | Vyaghata | Chaitra Purnima, Hanuman Jayanti, Mesha Sankranti (Satuani/Baisakhi/Vishu), Sacred River Baths |
The thirty-day cycle of Chaitra weaves together the diverse liturgical expressions of Sanatana Dharma-uniting Vaishnava, Shaiva, Shakta, Saura, Ganapatya and Jain traditions:
The thirty-day calendar of Chaitra is far more than a register of dates and stellar transits; it serves as a practical spiritual guide aligning daily life with the natural rhythms of the cosmos.
The dark fortnight teaches us to release past attachments, grievances and fatigue. The bright fortnight invites us to step forward with purposeful vitality, clarity and ethical commitment. By aligning our diet, speech and actions with this seasonal cycle, we establish a grounded foundation of health, peace and spiritual focus for the year ahead.
Why is this lunar month named Chaitra?
The month is named after Chitra Nakshatra (Spica), as the full moon reaches complete reflection within this asterism on Chaitra Purnima.
Why does the Hindu New Year begin on Chaitra Shukla Pratipada instead of the dark fortnight?
Vedic tradition moves from darkness toward light. The waning fortnight represents completion and quiet rest, while the waxing fortnight signifies vitality, growth and the dawn of creation.
Which two Ekadashi observances occur during Chaitra?
The waning fortnight features Papamochani Ekadashi (dissolving past karmic burdens), while the waxing fortnight features Kamada Ekadashi (fulfilling noble aspirations).
When does Mesha Sankranti typically occur in the lunar calendar?
Mesha Sankranti typically falls toward the close of the bright fortnight of Chaitra (Trayodashi, Chaturdashi or Purnima), corresponding to April 13th or 14th of the solar calendar.
Which divine manifestation is celebrated on Chaitra Purnima?
Chaitra Purnima celebrates the appearance day of Lord Hanuman (Hanuman Jayanti), the eleventh Rudra avatar of Lord Shiva, honoring devotion, humility and strength.
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