Festival calendar in London, September 2028 · kundlit
Festival calendar in London, September 2028
Every Vedic festival, ekadashi, purnima, amavasya and sankranti for this month — computed live from the panchanga engine, tiered by rarity, citation-backed. 95 events: 0 major, 43 medium, 52 recurring.
Thiruvonam -- the principal day of the ten-day Kerala harvest festival, falling on Shravana Nakshatra in the Malayalam solar month of Chingam (when the Sun is in Simha Rashi). The day commemorates the annual return of King Mahabali to visit his subjects; the Bhagavata Purana (8.15-23) records the Vamana avatara of Vishnu and the granting of this boon. Celebrations include the Onasadya feast, pookalam floral arrangements, and Vallam Kali boat races.
Matsya Purana — Adhyaya 245 (Vamana-pradurbhava), full chapter (Vamana-utpatti and Bali-bandhana narrative)Colophon: 'iti shri-matsye mahapurane vamana-pradurbhave vamanotpatti-nama panchachatvarinshad-adhika-dvishatatamo adhyayah'. Vamana-Bali boon narrative (Bali's annual return to visit subjects) is the puranic substrate for Thiruvonam.
Hindupedia — Festivals/Onam, opening section (Thiruvonam observance)Thiruvonam is the principal day of the ten-day Kerala harvest festival on Shravana-nakshatra in Chingam-masa (Sun in Simha). Onasadya, pookalam, and Vallam Kali documented in Hindupedia.
Muhurta Chintamani — Shubhashubha-prakarana, tyajya yoga section, verse 35Shula yoga's first 5 ghatikas explicitly enjoined for rejection in all karmas — especially travel.
Narada Purana — Purvabhaga, jataka-yoga-phala section, verses 195-196Shula-yoga jataka described as shura-vira but adhana (without wealth) — reinforces 'painful obstacles' theme.
Muhurta Chintamani — Shubhashubha-prakaranam (tyajya nakshatra-yoga section), verses 34-35'Parigha-rdhaṁ pancha shule shaṭ cha ganda-atigandayoh, vyaghate nava-naadyash cha varjyaah sarveshu karmasu.' Ganda and Atiganda yogas explicitly listed with 6 nadis to be avoided in all auspicious works.
Phaladeepika — Upagraha-prakarana (calculation of dhuma, vyatipata, parivesha, indrachapa, ketu), verse 5 (formula for vyatipata from solar position; Hindi-Alt ed., around lines 22701-22750)
Muhurta Chintamani — Shubhashubha-prakarana, Sarvarthasiddhi-yoga chakra, verses 28-29Sarvarthasiddhi yoga listing — Pushya on any vara is auspicious; Friday-Pushya inherits the general benefit.
Sun enters Kanya (Virgo), beginning the Pitru Paksha period. Extremely important for pitru tarpana and shraddha. Dana of food and dakshina to Brahmins is highly meritorious.
Sun enters a new rashi (solar ingress). All Sankrantis are considered punya kala. Sacred bath, surya arghya, tila dana, and charity are prescribed. The punya kala extends 16 ghatikas (~6.5 hours) before and after the exact transition moment.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Narada Purana — Purvabhaga, Chaturtha Pada (tritiya-vrata prakarana)
Fri · Sep 22
Navratri
नवरात्रि
Medium10:15 – 08:12festivaldurganavratrisharada
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Muhurta Chintamani — Shubhashubha-prakarana, Shunyatithi-chakra, verse 10Masa-wise shunya tithis enumerated; 4/9/14 (Rikta tithis) fall in the shunya set and Tuesday compounds the void.
Sharada Navaratri -- the autumn nine-night observance of the Divine Mother, from Ashwina Shukla Pratipad through Mahanavami. The Devi Mahatmya (Markandeya Purana, chapters 81-93) is recited daily; Durga, Lakshmi, and Sarasvati are worshipped in successive triads. The festival culminates in Vijayadashami (Dashami) on the tenth day. Mahanavami (day 9) and Mahashtami (day 8) are separately tagged via the ashwina_navami and ashwina_ashtami rules where present.
Muhurta Chintamani — Shubhashubha-prakarana, tyajya yoga section, verse 35Shula yoga's first 5 ghatikas explicitly enjoined for rejection in all karmas — especially travel.
Narada Purana — Purvabhaga, jataka-yoga-phala section, verses 195-196Shula-yoga jataka described as shura-vira but adhana (without wealth) — reinforces 'painful obstacles' theme.
Sat · Sep 30
Dwadashi
द्वादशी
Recurring12:07 – 14:34dwadashivishnuparana
Parana (breaking Ekadashi fast) and Vishnu worship
Muhurta Chintamani — Samskara-prakarana (Pradosha-lakshana), verse 55 (Pyarelal Mishra Hindi ed., lines 3616-3650) — 'अर्कतर्कत्रितिथिषु प्रदोषः स्यात्'Defines pradosha-kala as the half-prahar around sunset on Trayodashi, Chaturdashi, Pratipad and other listed tithis.
Skanda Purana — Pradosha-vrata-mahatmya (Chandrasena and Shrikara legend), section on Pradosha-shivapujana (Sankshipta ed., lines 88951-89000)Anjananandana Hanuman teaches the gopa Shrikara the discipline of Pradosha Shiva worship.
Narada Purana — Purvabhaga, Purnima-vrata-prakarana, opening section (masa-wise Purnima vratas)Sanatana-narada vada on Purnima vratas through the year.
Matsya Purana — Parva-sandhi and Purnima-tithi prakarana, section on pakshanta-sandhi and pournamasika
Matsya Purana — Surya-vamsha-varnana (origin of Vishti/Bhadra), Vishti as Chhaya's daughter (Gita Press ed., around lines 5851-5900)Vishti (Bhadra) — bhayankara-rupavali tritiya kanya — is established as kala-karana-svarupa, the personification of the inauspicious karana.
Phaladeepika — Santanachinta-prakarana (use of Vishti-karana in muhurta), verse 15 (Hindi-Alt ed., around lines 9801-9850)Phaladeepika explicitly names Vishti-karana as varjya for shubha-karya and for santana-prashna; classical avoidance rule.
Narada Purana — Purvabhaga, Karana-jnana-vidhi (11 karanas including Vishti), around verses 124-125 (sankshipta ed., around lines 34051-34100)Lists the 7 chara + 4 sthira karanas including Vishti (#7) — formula to determine karana from tithi-number.
Matsya Purana — Surya-vamsha-varnana (origin of Vishti/Bhadra), Vishti as Chhaya's daughter (Gita Press ed., around lines 5851-5900)Vishti (Bhadra) — bhayankara-rupavali tritiya kanya — is established as kala-karana-svarupa, the personification of the inauspicious karana.
Phaladeepika — Santanachinta-prakarana (use of Vishti-karana in muhurta), verse 15 (Hindi-Alt ed., around lines 9801-9850)Phaladeepika explicitly names Vishti-karana as varjya for shubha-karya and for santana-prashna; classical avoidance rule.
Narada Purana — Purvabhaga, Karana-jnana-vidhi (11 karanas including Vishti), around verses 124-125 (sankshipta ed., around lines 34051-34100)Lists the 7 chara + 4 sthira karanas including Vishti (#7) — formula to determine karana from tithi-number.
Narada Purana — Purvabhaga, Chaturthi-vrata section, Sankashta-vrata description (Sankshipta ed., lines 66301-66400) — 'माघ कृष्णा चतुर्थीको संकष्टव्रत बतलाया जाता है'Names Magha-krishna Chaturthi 'Sankashta-vrata'; prescribes upavasa, moonrise arghya to Ganesha/Chandra, gives the arghya mantra and phala.
Skanda Purana — Ganesha-Chaturthi-vrata-mahatmya, Chaturthi-vrata enumeration (Sankshipta ed., Sankashta-chaturthi reference) — moonrise-worship prescriptionAligns with the krishna-paksha chaturthi observance for relief from sankata (calamity).
Bhavishya Purana — Uttara-parva, Chaturthi-vrata-kalpa (Angaraka-chaturthi-vrata-varnana), Chaturthi-vrata chapter (DLI Hindi ed., around lines 70101-70150)Krishna-Yudhishthira samvada on Chaturthi vrata including Angaraka Chaturthi.
, Shashthi-stuti section (devi identified as Kartikeya-pranapriya)
Narada Purana — Purvabhaga, Prathama-pada (vara-nakshatra-yoga, Vishnu-snana section), lines 7501-7550 — 'सोमवार-श्रवण, हस्त-बृहस्पति, बुधअष्टमी ... पवित्र दिनों'Lists Monday-Shravana, Monday-Rohini and other moon-nakshatra pairings as auspicious for Vishnu-snana; Rohini being Chandra's beloved nakshatra makes Monday-Rohini supreme.
Muhurta Chintamani — Shubhashubha Prakarana (Sarvarthasiddhi-yoga enumeration), verses 28-29 (Pyarelal Mishra Hindi ed., lines 907-927) — 'सोमवार को श्रवण, रोहिणी, मृगशिरा, पुष्य, अनुराधा ... सर्वार्थसिद्धियोग'Monday + Rohini explicitly listed in the Sarvarthasiddhi-yoga combination.
Names all 11 karanas with their phala — Bava (chara, first) is the auspicious chara-karana for new beginnings; karanas grouped as 'phaladah svanama' (effects per their names).
BPHS — Panchanga-sadhana / Karana-prakarana, standard BPHS section on the 11 karanas (Bava-Balava-Kaulava ... Naga-Kimstughna)BPHS lists the chara-karanas (Bava through Vishti) as repeated 8 times across the 30 tithi-halves; Bava is the first and most auspicious.
, verse 11 (nakshatra-svami enumeration: Mrigashira-svami = Mangala) and verses 18-19 (Mrigashira as chara nakshatra for yatra/hasti works)
Narada Purana — Purvabhaga (siddhi-yoga and vara-nakshatra prakarana), verses ~242 (Tuesday + Ashwini-bharani-kritika set; Mrigashira appears in adjacent Monday-siddhi list -- amplified Mars-energy on Mars-vara)
Sources (2)
Muhurta Chintamani — Shubhashubha-prakarana, shantika-paushtika muhurta, verses 33-34Tuesday and Ashtami excluded from shantika muhurtas — the combination is reserved for ugra-devata worship.
Devi Bhagavata — Tantra-khanda, vrata enumeration, verses 37-40 (Bhaumavara + Pradosha vrata set)Devi explicitly names Bhaumavara-vrata in her vrata list.
Narada Purana
— Purvabhaga, Ashtami-vrata enumeration
, Month-wise Ashtami vratas (sankshipta ed., around lines 67901-67950)
Devi Bhagavata — Skandha 3, Navaratri-vidhi (importance of Ashtami), Ashtami pujan prescription (Vol. 1 Gita Press ed., around lines 45751-45800)If unable to do full nine-day Navaratri, Ashtami tithi must be observed; references Daksha-yajna context.
Linga Purana — Mahalaya / Ardra-Chaturdashi section, verses 16-18 (Ardra + Chaturdashi punyatama)Ardra-nakshatra yoga is praised as Rudra's punyatama kala; the rule borrows the Ardra-Rudra deity link.
Vyatipata = (Sun + 4r 13°20') subtracted from 12 rashis — defined as 'a-prakasha-graha' (invisible graha).
Parashara Smriti — Madhaviya-vritti, Dana-kala-nirupana, Section on vyatipata as inauspicious yoga / sankrama (Islampurkar 1894 ed., around lines 40233-40259)Mahavyatipata defined; cited alongside ayana and vishuva as auspicious-dana times despite the yoga itself being inauspicious for new beginnings.
Twelve-month Navami-vrata catalogue — every Navami is sacred to Durga/Chandika/Kumari in some form.
Devi Bhagavata — Tritiya-skandha (Sharad/Vasanta Navaratri narrative), Tritiya-skandha, Sudarshana-Subahu Navaratri narrative (Gita Press Vol.1, around lines 44951-45000) — 'नवरात्रेषु सर्वेषु ... अर्चनं हवनं यागं देव्या'Each Navami caps the Navaratri sequence; the day is fixed for Devi-arcana, havana, yaga.
Muhurta Chintamani — Yatra-prakaranam (kala-vichara), verses 10-11Vara-nakshatra direction/time prohibitions; Punarvasu+Guru is not in the niṣiddha set.
Matsya Purana — Surya-vamsha-varnana (origin of Vishti/Bhadra), Vishti as Chhaya's daughter (Gita Press ed., around lines 5851-5900)Vishti (Bhadra) — bhayankara-rupavali tritiya kanya — is established as kala-karana-svarupa, the personification of the inauspicious karana.
Phaladeepika — Santanachinta-prakarana (use of Vishti-karana in muhurta), verse 15 (Hindi-Alt ed., around lines 9801-9850)Phaladeepika explicitly names Vishti-karana as varjya for shubha-karya and for santana-prashna; classical avoidance rule.
Narada Purana — Purvabhaga, Karana-jnana-vidhi (11 karanas including Vishti), around verses 124-125 (sankshipta ed., around lines 34051-34100)Lists the 7 chara + 4 sthira karanas including Vishti (#7) — formula to determine karana from tithi-number.
, verses 242-244 (siddha-yoga set)
'Yadi dvitiya din dvadashi hai to pehle din ki dashami-viddha ekadashi bhi niṣiddha hi hai (isliye aisi paristhiti mein dvadashi ko vrata karna chahiye).'
Narada Purana — Purvabhaga, Ekadashi-vrata section, Ekadashi-vrata-mahatmya (sankshipta ed., text around lines 14901-14950)Detailed rules on dashami-viddha vs dvadashi-viddha Ekadashi, fasting and parana.
Brahma Vaivarta Purana — Krishna-janma-khanda, Ekadashi-vrata prescription, Ekadashi-upavasa section (sankshipta ed., text around lines 71651-71700)All Vaishnavas, yatis, widows, brahmacharis are to fast on every Ekadashi.
Skanda Purana — Maheshwara Khanda (gopa-balaka pradosha narrative), around shloka cluster cited at p.~889 of Gita Press Sankshipt edition (shanivara-pradosha worship)
'Yam, Vishvedeva, Chandra, Brahma, Guru, Chandra, Indra, Jala, Sarpa, Agni, Surya, Bhumi, Rudra, Brahma, Varuna, Ganesha, Rudra, Kubera, Vishvakarma, Mitra...' -- Rudra is named twice (yoga 13 Vyaghata and yoga 20 Shiva); the Shiva-Yoga at index 20 derives its name from this lordship.
Muhurta Chintamani — Samskara-prakarana (Pradosha-lakshana), verse 55 (Pyarelal Mishra Hindi ed., lines 3616-3650) — 'अर्कतर्कत्रितिथिषु प्रदोषः स्यात्'Defines pradosha-kala as the half-prahar around sunset on Trayodashi, Chaturdashi, Pratipad and other listed tithis.
Skanda Purana — Pradosha-vrata-mahatmya (Chandrasena and Shrikara legend), section on Pradosha-shivapujana (Sankshipta ed., lines 88951-89000)Anjananandana Hanuman teaches the gopa Shrikara the discipline of Pradosha Shiva worship.
Lists 28 anandadi yogas: 'siddhi' named explicitly as one yielding karya-siddhi by its own name (siddha-yoga is the 21st nitya-yoga).
Narada Purana — Purvabhaga, Anandadi-yoga section, Anandadi 28-yoga list (sankshipta ed., around lines 42101-42150)Siddhi yoga #19 in Anandadi enumeration; 'svanama-phaladayaka' — gives fruit per its name.
Skanda Purana — Avantya-khanda, Somavati-Shipra section, opening of Somavati-Shipra mahatmyaSomavati Amavasya named as supreme parva for snana, dana, japa, and homa; punya is akshaya.
Skanda Purana — Reva-khanda, Narmada-Kubja sangama section, Somavati Amavasya parva listLists Somavati Amavasya alongside Vyatipata, Sankranti, Vaidhriti, Vishuva, and Ayana-arambha as utkrshta parvas.
(2)
Skanda Purana — Pitri-kalpa / Tithi-pravachana, amavasya definition section'Yogon mein vyatipata, nakshatron mein shravana, tithiyon mein amavasya aur purnima tatha sankranti-kala -- ye sab dana-karma mein pavitra mane gaye hain.' Amavasya named first among agnishvattadi pitarana priya tithis.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Names all 11 karanas with their phala — Bava (chara, first) is the auspicious chara-karana for new beginnings; karanas grouped as 'phaladah svanama' (effects per their names).
BPHS — Panchanga-sadhana / Karana-prakarana, standard BPHS section on the 11 karanas (Bava-Balava-Kaulava ... Naga-Kimstughna)BPHS lists the chara-karanas (Bava through Vishti) as repeated 8 times across the 30 tithi-halves; Bava is the first and most auspicious.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Brahma listed at position 25 of the Anandadi yogas; each yoga is said to give 'svanama-sadrsha phala', so Brahma yoga gives creative / spiritual / Brahma-loka phala.
Shiva Purana — Kotirudra-samhita, Tandi Sahasranama prelude, verses 47-48Tandi (a brahma-yogi) is named as the composer of the Shiva Sahasranama in brahma-yoga — establishes the spiritual-creative significance of the yoga.
Narada Purana — Purvabhaga, Dvitiya-vrata section (Ashunyashayana-vrata), month-wise Dvitiya-vrata (Sankshipta ed., lines 65701-65750) — 'अशुन्यशयन ... चन्द्रमाके लिये अर्घ्यदान'Shravana-Krishna Dvitiya = Ashunyashayana-vrata to Vishnu-Lakshmi with chandra-arghya; Kartika-shukla Dvitiya = Yamadvitiya.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Indra is named among the 27 nitya-yogas; classical muhurta treats Indra-yoga as auspicious for leadership and power karyas.
Bhavishya Purana — Uttara-parva, Chaturthi-vrata-kalpa (Angaraka-chaturthi-vrata-varnana), Chaturthi-vrata chapter (DLI Hindi ed., around lines 70101-70150)Krishna-Yudhishthira samvada on Chaturthi vrata including Angaraka Chaturthi.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Narada Purana — Purvabhaga, Jyotish-prakarana (ninda-yoga enumeration), ninda-yoga section (Sankshipta ed., lines 41901-41950) — 'वैधृति और व्यतीपात ये दोनों महापात हैं, इन दोनोंको शुभ कार्योमें सदा त्याग देना चाहिये'Classes vaidhriti+vyatipata as the two great mahapatas; recommends pitru-karma instead during these.
Manasa-pancami (Naga-panchami) enjoined for monthly or festival worship — establishes Panchami-Naga link.
Names all 11 karanas with their phala — Bava (chara, first) is the auspicious chara-karana for new beginnings; karanas grouped as 'phaladah svanama' (effects per their names).
BPHS — Panchanga-sadhana / Karana-prakarana, standard BPHS section on the 11 karanas (Bava-Balava-Kaulava ... Naga-Kimstughna)BPHS lists the chara-karanas (Bava through Vishti) as repeated 8 times across the 30 tithi-halves; Bava is the first and most auspicious.
, Pyarelal Mishra ed., around lines 2971-3001 (jatakarma/namakarma section listing Anuradha among auspicious shubha nakshatras)
Anuradha is among auspicious shubha-nakshatras for jatakarma/namakarma; Anuradha is Sani-svami (Saturn's own nakshatra), so Saturday + Anuradha is a vara-svami yoga revered for bhakti and karya-siddhi.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
— Prakriti Khanda (Shashthi-devi mahatmya)
, Shashthi-stuti section (devi identified as Kartikeya-pranapriya)
Both adhyayas prescribe Saptami-tithi as the supreme day for Surya worship using the twelve-name list (Bhanu/Arka/Ravi/Brahma/Surya/Shakra/Hari/Shiva/Shriman/Vibhavasu/Tvashta/Varuna).
Bhavishya Purana — Brahma Parva, Saptami-kalpa (Akshyanga Saptami adhyaya 111), opening versesBhavishya Purana's Saptami-kalpa is the standard nibandha source for Bhanu/Ravi-Saptami; Sunday + Saptami amplifies it.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Narada Purana
— Purvabhaga, Ashtami-vrata enumeration
, Month-wise Ashtami vratas (sankshipta ed., around lines 67901-67950)
Devi Bhagavata — Skandha 3, Navaratri-vidhi (importance of Ashtami), Ashtami pujan prescription (Vol. 1 Gita Press ed., around lines 45751-45800)If unable to do full nine-day Navaratri, Ashtami tithi must be observed; references Daksha-yajna context.
Matsya Purana — Surya-vamsha-varnana (origin of Vishti/Bhadra), Vishti as Chhaya's daughter (Gita Press ed., around lines 5851-5900)Vishti (Bhadra) — bhayankara-rupavali tritiya kanya — is established as kala-karana-svarupa, the personification of the inauspicious karana.
Phaladeepika — Santanachinta-prakarana (use of Vishti-karana in muhurta), verse 15 (Hindi-Alt ed., around lines 9801-9850)Phaladeepika explicitly names Vishti-karana as varjya for shubha-karya and for santana-prashna; classical avoidance rule.
Narada Purana — Purvabhaga, Karana-jnana-vidhi (11 karanas including Vishti), around verses 124-125 (sankshipta ed., around lines 34051-34100)Lists the 7 chara + 4 sthira karanas including Vishti (#7) — formula to determine karana from tithi-number.
Devi Bhagavata — Skandha 3, Sudarshana-Subahu Devi-sthapana section, verses 41-46Establishes Ashwina + Chaitra Navaratras as the supreme annual Devi observances; Mahanavami is the culminating day.
Skanda Purana — Nagara-khanda, Chamatkari-devi mahatmya, Devi-vara to Shakambhari sectionDevi explicitly promises 'purna phala' to whoever worships her on Ashwin Shukla Mahanavami.
Chaitra, Ashwina, Ashadha, Magha — four Navaratras prescribed; sharad-kala Navaratri-vidhana with daily mahapuja explicitly named.
Markandeya Purana — Devi Mahatmya (Durga Saptashati), chapters 81-93, Devi Mahatmya chapters recited daily during NavaratriCanonical text recited each day of Sharada Navaratri; chapters 81-93 of Markandeya Purana.
Narada Purana — Uttarabhaga, Ekadashi-vrata-mahatmya (Rukmangada-Mohini samvada), Rukmangada vrata-pratijna (Sankshipta ed., lines 76451-76550) — 'एकादशीके दिन भोजन कैसे करूँगा ... मधुसूदनके पुण्यमय दिवस एकादशीको अन्नका सेवन नहीं करूँगा'King Rukmangada's vow never to take food on Ekadashi establishes the canonical fasting rule; Thursday (Guru/Vishnu's vara) intensifies the merit.
Brahma Vaivarta Purana — Krishna-janma-khanda (Ekadashi-vrata prescription), Dharmaraja-Vasundhara samvada (Gita Press ed., lines 27701-27750) — Vishnu-bhakti centrality of EkadashiIdentifies Vishnu-seva as the supreme dharma; Ekadashi to Thursday (Vishnu/Guru) doubly auspicious for the vrata.
Sources (2)
Narada Purana — Purvabhaga, Ekadashi-vrata section, Ekadashi-vrata-mahatmya (sankshipta ed., text around lines 14901-14950)Detailed rules on dashami-viddha vs dvadashi-viddha Ekadashi, fasting and parana.
Brahma Vaivarta Purana — Krishna-janma-khanda, Ekadashi-vrata prescription, Ekadashi-upavasa section (sankshipta ed., text around lines 71651-71700)All Vaishnavas, yatis, widows, brahmacharis are to fast on every Ekadashi.
Narada Purana — Purvabhaga, Ekadashi-vrata section, Ekadashi-vrata-mahatmya (sankshipta ed., text around lines 14901-14950)Detailed rules on dashami-viddha vs dvadashi-viddha Ekadashi, fasting and parana.
Brahma Vaivarta Purana — Krishna-janma-khanda, Ekadashi-vrata prescription, Ekadashi-upavasa section (sankshipta ed., text around lines 71651-71700)All Vaishnavas, yatis, widows, brahmacharis are to fast on every Ekadashi.
Matsya Purana — Surya-vamsha-varnana (origin of Vishti/Bhadra), Vishti as Chhaya's daughter (Gita Press ed., around lines 5851-5900)Vishti (Bhadra) — bhayankara-rupavali tritiya kanya — is established as kala-karana-svarupa, the personification of the inauspicious karana.
Phaladeepika — Santanachinta-prakarana (use of Vishti-karana in muhurta), verse 15 (Hindi-Alt ed., around lines 9801-9850)Phaladeepika explicitly names Vishti-karana as varjya for shubha-karya and for santana-prashna; classical avoidance rule.
Narada Purana — Purvabhaga, Karana-jnana-vidhi (11 karanas including Vishti), around verses 124-125 (sankshipta ed., around lines 34051-34100)Lists the 7 chara + 4 sthira karanas including Vishti (#7) — formula to determine karana from tithi-number.
'Yadi dvitiya din dvadashi hai to pehle din ki dashami-viddha ekadashi bhi niṣiddha hi hai (isliye aisi paristhiti mein dvadashi ko vrata karna chahiye).'
