{"id":"vidhyamitra:city-day:rishikesh:2005-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2005-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-10-17","date_display":"October 17, 2005 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":2005,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453660.770833,"kali_year":5107,"ahargana":1865195.2708,"sun":{"sidereal_longitude":179.0929,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":354.6766,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5838,"elapsed_within_tithi_degrees":7.5838},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.6766,"elapsed_within_degrees":8.01},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7695},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2005,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453660.770833,"ahargana":1865195.2708,"kali_year":5107,"ayanamsa_lahiri":23.9339,"grahas":{"sun":{"sidereal_longitude":179.83737199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":353.703072,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":0.1332},"mars":{"sidereal_longitude":27.66847200000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":198.30857200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":184.64757199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":225.92087200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":106.04837199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":352.9786,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":172.9786,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"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":2005,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453660.770833,"kali_year":5107,"ahargana":1865195.2708,"sun":{"sidereal_longitude":179.0929,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":354.6766,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5838,"elapsed_within_tithi_degrees":7.5838},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.6766,"elapsed_within_degrees":8.01},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":173.7695},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.133,"elongation":175.584},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.133,"opposition_distance":4.416}},"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":"06:19","sunsetLocal":"17:44","solarNoonLocal":"12:02","dayLengthHours":11.41056137228525,"dayLengthDisplay":"11 Hours 24 Mins 38 Secs","nightLengthDisplay":"12 Hours 35 Mins 22 Secs","moonriseLocal":"17:18","moonsetLocal":"05:56","rahuKala":{"name":"Rāhu Kāla","start":"07:45","end":"09:11","startHours":7.7494091593592325,"endHours":9.175729330894889,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:36","end":"12:02","startHours":10.602049502430544,"endHours":12.0283696739662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:27","end":"14:53","startHours":13.454689845501857,"endHours":14.881010017037513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:22","startHours":8.985553308023468,"endHours":9.365905353766308,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:06","startHours":6.7985290450021285,"endHours":7.102810681596402,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:25","startHours":11.64801762822336,"endHours":12.408721719709042,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:34","startHours":4.801680804852209,"endHours":5.562384896337893,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:19","startHours":5.372208873466472,"endHours":6.323088987823576,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:41","startHours":13.93012990268041,"endHours":14.690833994166093,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.533650360108826,"endHours":17.933650360108825,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:13","startHours":17.733650360108825,"endHours":18.209090417287378,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.483650360108825,"endHours":19.233650360108825,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:25","startHours":23.64801762822336,"endHours":24.408721719709046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:19","end":"07:45","startHours":6.323088987823576,"endHours":7.7494091593592325,"quality":"auspicious"},{"name":"Kāla","start":"07:45","end":"09:11","startHours":7.7494091593592325,"endHours":9.175729330894889,"quality":"inauspicious"},{"name":"Śubha","start":"09:11","end":"10:36","startHours":9.175729330894889,"endHours":10.602049502430544,"quality":"auspicious"},{"name":"Roga","start":"10:36","end":"12:02","startHours":10.602049502430544,"endHours":12.0283696739662,"quality":"inauspicious"},{"name":"Udveg","start":"12:02","end":"13:27","startHours":12.0283696739662,"endHours":13.454689845501857,"quality":"inauspicious"},{"name":"Chala","start":"13:27","end":"14:53","startHours":13.454689845501857,"endHours":14.881010017037513,"quality":"neutral"},{"name":"Labha","start":"14:53","end":"16:18","startHours":14.881010017037513,"endHours":16.307330188573168,"quality":"auspicious"},{"name":"Amṛta","start":"16:18","end":"17:44","startHours":16.307330188573168,"endHours":17.733650360108825,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:44","end":"19:18","startHours":17.733650360108825,"endHours":19.307330188573168,"quality":"neutral"},{"name":"Labha","start":"19:18","end":"20:53","startHours":19.307330188573168,"endHours":20.881010017037514,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:27","startHours":20.881010017037514,"endHours":22.454689845501857,"quality":"auspicious"},{"name":"Kāla","start":"22:27","end":"00:02","startHours":22.454689845501857,"endHours":24.0283696739662,"quality":"inauspicious"},{"name":"Śubha","start":"00:02","end":"01:36","startHours":24.0283696739662,"endHours":25.602049502430546,"quality":"auspicious"},{"name":"Roga","start":"01:36","end":"03:11","startHours":25.602049502430546,"endHours":27.17572933089489,"quality":"inauspicious"},{"name":"Udveg","start":"03:11","end":"04:45","startHours":27.17572933089489,"endHours":28.74940915935923,"quality":"inauspicious"},{"name":"Chala","start":"04:45","end":"06:19","startHours":28.74940915935923,"endHours":30.323088987823574,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.323088987823576,"endHours":7.323088987823576,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.323088987823576,"endHours":8.323088987823576,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.323088987823576,"endHours":9.323088987823576,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.323088987823576,"endHours":10.323088987823576,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.323088987823576,"endHours":11.323088987823576,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.323088987823576,"endHours":12.323088987823576,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.323088987823576,"endHours":13.323088987823576,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.323088987823576,"endHours":14.323088987823576,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.323088987823576,"endHours":15.323088987823576,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.323088987823576,"endHours":16.323088987823574,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.323088987823574,"endHours":17.323088987823574,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.323088987823574,"endHours":18.323088987823574,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.323088987823574,"endHours":19.323088987823574,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.323088987823574,"endHours":20.323088987823574,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.323088987823574,"endHours":21.323088987823574,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.323088987823574,"endHours":22.323088987823574,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.323088987823574,"endHours":23.323088987823574,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.323088987823574,"endHours":24.323088987823574,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.323088987823574,"endHours":25.323088987823574,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.323088987823574,"endHours":26.323088987823574,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.323088987823574,"endHours":27.323088987823574,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.323088987823574,"endHours":28.323088987823574,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.323088987823574,"endHours":29.323088987823574,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.323088987823574,"endHours":30.323088987823574,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"North-East","anandadiYoga":{"name":"Dhūmra","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":-9.225504334203213,"eotMinutes":15.227419562027912,"ayanamsa":23.9339}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pūrṇimā · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 17, 2005 CE · Ṛṣikeśa · Vidhyamitra","description":"October 17, 2005 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 06:19, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2005-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2005-10-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/2005-10-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/2005-10-17","x-default":"https://vidhyamitra.com/city/rishikesh/2005-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T20:26:59.164Z","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":"2026-05-16T20:26:59.164Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T20:26:59.164Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}