{"id":"vidhyamitra:city-day:ranchi:2170-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2170-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-10-17","date_display":"October 17, 2170 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":2170,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513925.770833,"kali_year":5272,"ahargana":1925460.2708,"sun":{"sidereal_longitude":176.4162,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":266.5175,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.1014,"elapsed_within_tithi_degrees":6.1014},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.5175,"elapsed_within_degrees":13.1842},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.9337},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2170,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513925.770833,"ahargana":1925460.2708,"kali_year":5272,"ayanamsa_lahiri":26.2388,"grahas":{"sun":{"sidereal_longitude":177.56540599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":270.31000600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-3.2717},"mars":{"sidereal_longitude":220.34290599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":198.01070600000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":156.20520599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":135.851406,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":301.99660600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":39.8489,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":219.8489,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2170,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513925.770833,"kali_year":5272,"ahargana":1925460.2708,"sun":{"sidereal_longitude":176.4162,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":266.5175,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.1014,"elapsed_within_tithi_degrees":6.1014},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.5175,"elapsed_within_degrees":13.1842},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.9337},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.272,"elongation":90.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.272,"opposition_distance":89.899}},"eclipse_window_40days":[]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"05:46","sunsetLocal":"17:21","solarNoonLocal":"11:34","dayLengthHours":11.586125184730674,"dayLengthDisplay":"11 Hours 35 Mins 10 Secs","nightLengthDisplay":"12 Hours 24 Mins 50 Secs","moonriseLocal":"12:20","moonsetLocal":"23:09","rahuKala":{"name":"Rāhu Kāla","start":"11:34","end":"13:00","startHours":11.558903007299534,"endHours":13.00716865539087,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:13","end":"08:40","startHours":7.2141060630255325,"endHours":8.662371711116867,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:07","end":"11:34","startHours":10.110637359208202,"endHours":11.558903007299534,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:51","startHours":8.469269624704689,"endHours":8.855473797529044,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:33","startHours":6.248595630964643,"endHours":6.557558969224128,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:10","end":"11:57","startHours":11.17269883447518,"endHours":11.94510718012389,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:00","startHours":4.221023723636774,"endHours":4.993432069285486,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:46","startHours":4.800329982873309,"endHours":5.765840414934198,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:29","end":"14:16","startHours":13.489923871421315,"endHours":14.262332217070027,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.151965599664873,"endHours":17.55196559966487,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:50","startHours":17.351965599664872,"endHours":17.834720815695317,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.101965599664872,"endHours":18.851965599664872,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:10","end":"23:57","startHours":23.172698834475177,"endHours":23.94510718012389,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:46","end":"07:13","startHours":5.765840414934198,"endHours":7.2141060630255325,"quality":"auspicious"},{"name":"Amṛta","start":"07:13","end":"08:40","startHours":7.2141060630255325,"endHours":8.662371711116867,"quality":"auspicious"},{"name":"Kāla","start":"08:40","end":"10:07","startHours":8.662371711116867,"endHours":10.110637359208202,"quality":"inauspicious"},{"name":"Śubha","start":"10:07","end":"11:34","startHours":10.110637359208202,"endHours":11.558903007299534,"quality":"auspicious"},{"name":"Roga","start":"11:34","end":"13:00","startHours":11.558903007299534,"endHours":13.00716865539087,"quality":"inauspicious"},{"name":"Udveg","start":"13:00","end":"14:27","startHours":13.00716865539087,"endHours":14.455434303482203,"quality":"inauspicious"},{"name":"Chala","start":"14:27","end":"15:54","startHours":14.455434303482203,"endHours":15.903699951573538,"quality":"neutral"},{"name":"Labha","start":"15:54","end":"17:21","startHours":15.903699951573538,"endHours":17.351965599664872,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:21","end":"18:54","startHours":17.351965599664872,"endHours":18.90369995157354,"quality":"inauspicious"},{"name":"Chala","start":"18:54","end":"20:27","startHours":18.90369995157354,"endHours":20.455434303482203,"quality":"neutral"},{"name":"Labha","start":"20:27","end":"22:00","startHours":20.455434303482203,"endHours":22.00716865539087,"quality":"auspicious"},{"name":"Amṛta","start":"22:00","end":"23:34","startHours":22.00716865539087,"endHours":23.558903007299534,"quality":"auspicious"},{"name":"Kāla","start":"23:34","end":"01:07","startHours":23.558903007299534,"endHours":25.1106373592082,"quality":"inauspicious"},{"name":"Śubha","start":"01:07","end":"02:40","startHours":25.1106373592082,"endHours":26.66237171111687,"quality":"auspicious"},{"name":"Roga","start":"02:40","end":"04:13","startHours":26.66237171111687,"endHours":28.214106063025532,"quality":"inauspicious"},{"name":"Udveg","start":"04:13","end":"05:46","startHours":28.214106063025532,"endHours":29.765840414934196,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.765840414934198,"endHours":6.765840414934198,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.765840414934198,"endHours":7.765840414934198,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.765840414934198,"endHours":8.765840414934198,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.765840414934198,"endHours":9.765840414934198,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.765840414934198,"endHours":10.765840414934198,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.765840414934198,"endHours":11.765840414934198,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.765840414934198,"endHours":12.765840414934198,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.765840414934198,"endHours":13.765840414934198,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.765840414934198,"endHours":14.765840414934198,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.765840414934198,"endHours":15.765840414934198,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.765840414934198,"endHours":16.765840414934196,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.765840414934196,"endHours":17.765840414934196,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.765840414934196,"endHours":18.765840414934196,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.765840414934196,"endHours":19.765840414934196,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.765840414934196,"endHours":20.765840414934196,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.765840414934196,"endHours":21.765840414934196,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.765840414934196,"endHours":22.765840414934196,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.765840414934196,"endHours":23.765840414934196,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.765840414934196,"endHours":24.765840414934196,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.765840414934196,"endHours":25.765840414934196,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.765840414934196,"endHours":26.765840414934196,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.765840414934196,"endHours":27.765840414934196,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.765840414934196,"endHours":28.765840414934196,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.765840414934196,"endHours":29.765840414934196,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.23764773048172,"eotMinutes":15.227419562027912,"ayanamsa":26.2388}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Aṣṭamī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ranchi"},"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, 2170 CE · Ranchi, Jharkhand · Vidhyamitra","description":"October 17, 2170 CE for Ranchi, Jharkhand: Śukla Aṣṭamī, sūryodaya 05:46, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2170-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2170-10-17","sa":"https://sa.vidhyamitra.com/city/ranchi/2170-10-17","hi":"https://hi.vidhyamitra.com/city/ranchi/2170-10-17","x-default":"https://vidhyamitra.com/city/ranchi/2170-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:03:18.626Z","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":"2026-06-03T04:03:18.626Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:03:18.626Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}