{"id":"vidhyamitra:city-day:rishikesh:2104-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2104-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2104-10-04","date_display":"October 4, 2104 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2104,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489806.770833,"kali_year":5206,"ahargana":1901341.2708,"sun":{"sidereal_longitude":164.6358,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":339.1083,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.4725,"elapsed_within_tithi_degrees":6.4725},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.1083,"elapsed_within_degrees":5.775},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.7441},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2104,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489806.770833,"ahargana":1901341.2708,"kali_year":5206,"ayanamsa_lahiri":25.3164,"grahas":{"sun":{"sidereal_longitude":165.63582900000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":340.583529,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":4.4123},"mars":{"sidereal_longitude":192.04892900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":179.36552900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":296.42332899999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":201.15452900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":222.74622899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":237.7896,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":57.7896,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2104,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489806.770833,"kali_year":5206,"ahargana":1901341.2708,"sun":{"sidereal_longitude":164.6358,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":339.1083,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":174.4725,"elapsed_within_tithi_degrees":6.4725},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":339.1083,"elapsed_within_degrees":5.775},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.7441},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.412,"elongation":174.472},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.412,"opposition_distance":5.528}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:11","sunsetLocal":"17:59","solarNoonLocal":"12:05","dayLengthHours":11.793281110240681,"dayLengthDisplay":"11 Hours 47 Mins 36 Secs","nightLengthDisplay":"12 Hours 12 Mins 24 Secs","moonriseLocal":"17:36","moonsetLocal":"05:53","rahuKala":{"name":"Rāhu Kāla","start":"09:08","end":"10:36","startHours":9.132222002644994,"endHours":10.60638214142508,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:33","end":"15:02","startHours":13.55470241898525,"endHours":15.028862557765333,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:11","end":"07:39","startHours":6.183901725084824,"endHours":7.6580618638649085,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:20","startHours":8.935667317474316,"endHours":9.328776687815672,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"06:59","startHours":6.675288438011519,"endHours":6.989775934284603,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:28","startHours":11.687432909863807,"endHours":12.47365165054652,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:24","startHours":4.6114642437194,"endHours":5.3976829844021115,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:12","end":"06:11","startHours":5.201128299231434,"endHours":6.183901725084824,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:50","startHours":14.046089131911945,"endHours":14.832307872594656,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.777182835325505,"endHours":18.177182835325503,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:28","startHours":17.977182835325504,"endHours":18.468569548252198,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.727182835325504,"endHours":19.477182835325504,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:28","startHours":23.68743290986381,"endHours":24.473651650546522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:11","end":"07:39","startHours":6.183901725084824,"endHours":7.6580618638649085,"quality":"inauspicious"},{"name":"Śubha","start":"07:39","end":"09:08","startHours":7.6580618638649085,"endHours":9.132222002644994,"quality":"auspicious"},{"name":"Roga","start":"09:08","end":"10:36","startHours":9.132222002644994,"endHours":10.60638214142508,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:05","startHours":10.60638214142508,"endHours":12.080542280205165,"quality":"inauspicious"},{"name":"Chala","start":"12:05","end":"13:33","startHours":12.080542280205165,"endHours":13.55470241898525,"quality":"neutral"},{"name":"Labha","start":"13:33","end":"15:02","startHours":13.55470241898525,"endHours":15.028862557765333,"quality":"auspicious"},{"name":"Amṛta","start":"15:02","end":"16:30","startHours":15.028862557765333,"endHours":16.50302269654542,"quality":"auspicious"},{"name":"Kāla","start":"16:30","end":"17:59","startHours":16.50302269654542,"endHours":17.977182835325504,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:59","end":"19:30","startHours":17.977182835325504,"endHours":19.50302269654542,"quality":"auspicious"},{"name":"Amṛta","start":"19:30","end":"21:02","startHours":19.50302269654542,"endHours":21.028862557765333,"quality":"auspicious"},{"name":"Kāla","start":"21:02","end":"22:33","startHours":21.028862557765333,"endHours":22.55470241898525,"quality":"inauspicious"},{"name":"Śubha","start":"22:33","end":"00:05","startHours":22.55470241898525,"endHours":24.080542280205165,"quality":"auspicious"},{"name":"Roga","start":"00:05","end":"01:36","startHours":24.080542280205165,"endHours":25.60638214142508,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:08","startHours":25.60638214142508,"endHours":27.132222002644994,"quality":"inauspicious"},{"name":"Chala","start":"03:08","end":"04:39","startHours":27.132222002644994,"endHours":28.65806186386491,"quality":"neutral"},{"name":"Labha","start":"04:39","end":"06:11","startHours":28.65806186386491,"endHours":30.183901725084823,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.183901725084824,"endHours":7.183901725084824,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.183901725084824,"endHours":8.183901725084823,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.183901725084823,"endHours":9.183901725084823,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.183901725084823,"endHours":10.183901725084823,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.183901725084823,"endHours":11.183901725084823,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.183901725084823,"endHours":12.183901725084823,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.183901725084823,"endHours":13.183901725084823,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.183901725084823,"endHours":14.183901725084823,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.183901725084823,"endHours":15.183901725084823,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.183901725084823,"endHours":16.183901725084823,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.183901725084823,"endHours":17.183901725084823,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.183901725084823,"endHours":18.183901725084823,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.183901725084823,"endHours":19.183901725084823,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.183901725084823,"endHours":20.183901725084823,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.183901725084823,"endHours":21.183901725084823,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.183901725084823,"endHours":22.183901725084823,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.183901725084823,"endHours":23.183901725084823,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.183901725084823,"endHours":24.183901725084823,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.183901725084823,"endHours":25.183901725084823,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.183901725084823,"endHours":26.183901725084823,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.183901725084823,"endHours":27.183901725084823,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.183901725084823,"endHours":28.183901725084823,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.183901725084823,"endHours":29.183901725084823,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.183901725084823,"endHours":30.183901725084823,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-4.333708597865251,"eotMinutes":12.09706318769023,"ayanamsa":25.3164}},"calendars":{"vikram_samvat":2161,"vikram_samvatsara":"Īśvara","saka_samvat":2026,"saka_samvatsara":"Raktākṣī","bengali_samvat":1511,"malayalam_era":1280,"nanakshahi_year":635,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pūrṇimā · Vikram 2161 Īśvara · Śaka 2026 Raktākṣī"},"festivals":[{"id":"sharad-purnima","name":"Śarad Pūrṇimā / Kojāgarī Pūrṇimā","name_sanskrit":"शरद पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Lakṣmī","significance":"Krishna's Mahā-rāsa with the gopīs at Vṛndāvana. Lakṣmī wakes (\"ko jāgartti?\")","vrata":true,"primary_observance":"Night-long jāgaraṇa; offering of pāyasa under moonlight","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2,"sources":["Bhāgavata 10.29-33"]},{"id":"rasa-purnima","name":"Rāsa Pūrṇimā (Vraja Mahā-Rāsa)","name_sanskrit":"रास पूर्णिमा","tradition":"Vaishnava","associated_deity":"Krishna + Gopīs","significance":"Krishna's Mahā-rāsa with the gopīs at Vraja (Bhāgavata 10.29-33). Same as Śarad Pūrṇimā but emphasized in Vraja tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":2},{"id":"valmiki-jayanti","name":"Mahārṣi Vālmīki Jayantī","name_sanskrit":"महर्षि वाल्मीकि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Maharṣi Vālmīki (ādi-kavi)","significance":"Composer of Vālmīki Rāmāyaṇa. Āśvina Pūrṇimā tradition.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":3},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 4, 2104 CE · Ṛṣikeśa · Vidhyamitra","description":"October 4, 2104 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 06:11, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2104-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2104-10-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2104-10-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2104-10-04","x-default":"https://vidhyamitra.com/city/rishikesh/2104-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T00:47:01.205Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-21T00:47:01.205Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T00:47:01.205Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}