{"id":"vidhyamitra:city-day:rishikesh:2191-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2191-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2191-10-01","date_display":"October 1, 2191 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":2191,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521579.770833,"kali_year":5293,"ahargana":1933114.2708,"sun":{"sidereal_longitude":160.2036,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":315.6429,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.4393,"elapsed_within_tithi_degrees":11.4393},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.6429,"elapsed_within_degrees":8.9763},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.8466},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2191,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2521579.770833,"ahargana":1933114.2708,"kali_year":5293,"ayanamsa_lahiri":26.5316,"grahas":{"sun":{"sidereal_longitude":161.41416700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":315.0166670000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-2.8094},"mars":{"sidereal_longitude":264.933267,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":184.44886700000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":83.06856700000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":114.59436700000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":207.70166700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":354.3031,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":174.3031,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"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":2191,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521579.770833,"kali_year":5293,"ahargana":1933114.2708,"sun":{"sidereal_longitude":160.2036,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":315.6429,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":155.4393,"elapsed_within_tithi_degrees":11.4393},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.6429,"elapsed_within_degrees":8.9763},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.8466},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.809,"elongation":155.439},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.809,"opposition_distance":24.561}},"eclipse_window_40days":[{"offset_days":2,"type":"lunar","occurs":true,"moon_latitude":-0.755,"opposition_distance":2.361}]},"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":"06:09","sunsetLocal":"18:02","solarNoonLocal":"12:06","dayLengthHours":11.884827912967578,"dayLengthDisplay":"11 Hours 53 Mins 05 Secs","nightLengthDisplay":"12 Hours 06 Mins 55 Secs","moonriseLocal":"16:34","moonsetLocal":"04:06","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:37","startHours":9.124823618648366,"endHours":10.610427107769311,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:35","end":"15:04","startHours":13.581634086011206,"endHours":15.067237575132154,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:09","end":"07:38","startHours":6.1536166404064705,"endHours":7.639220129527418,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:19","startHours":8.926743153432238,"endHours":9.322904083864492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:58","startHours":6.648817803446787,"endHours":6.965746547792588,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:30","startHours":11.699869666458007,"endHours":12.492191527322511,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:34","end":"05:22","startHours":4.56897291867746,"endHours":5.361294779541965,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:09","startHours":5.163214314325839,"endHours":6.1536166404064705,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:52","startHours":14.076835249051523,"endHours":14.869157109916028,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.83844455337405,"endHours":18.23844455337405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:32","startHours":18.03844455337405,"endHours":18.533645716414366,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78844455337405,"endHours":19.53844455337405,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:30","startHours":23.699869666458007,"endHours":24.49219152732251,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:09","end":"07:38","startHours":6.1536166404064705,"endHours":7.639220129527418,"quality":"inauspicious"},{"name":"Śubha","start":"07:38","end":"09:07","startHours":7.639220129527418,"endHours":9.124823618648366,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:37","startHours":9.124823618648366,"endHours":10.610427107769311,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:06","startHours":10.610427107769311,"endHours":12.096030596890259,"quality":"inauspicious"},{"name":"Chala","start":"12:06","end":"13:35","startHours":12.096030596890259,"endHours":13.581634086011206,"quality":"neutral"},{"name":"Labha","start":"13:35","end":"15:04","startHours":13.581634086011206,"endHours":15.067237575132154,"quality":"auspicious"},{"name":"Amṛta","start":"15:04","end":"16:33","startHours":15.067237575132154,"endHours":16.5528410642531,"quality":"auspicious"},{"name":"Kāla","start":"16:33","end":"18:02","startHours":16.5528410642531,"endHours":18.03844455337405,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:02","end":"19:33","startHours":18.03844455337405,"endHours":19.5528410642531,"quality":"auspicious"},{"name":"Amṛta","start":"19:33","end":"21:04","startHours":19.5528410642531,"endHours":21.067237575132154,"quality":"auspicious"},{"name":"Kāla","start":"21:04","end":"22:35","startHours":21.067237575132154,"endHours":22.581634086011206,"quality":"inauspicious"},{"name":"Śubha","start":"22:35","end":"00:06","startHours":22.581634086011206,"endHours":24.09603059689026,"quality":"auspicious"},{"name":"Roga","start":"00:06","end":"01:37","startHours":24.09603059689026,"endHours":25.61042710776931,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:07","startHours":25.61042710776931,"endHours":27.124823618648364,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:38","startHours":27.124823618648364,"endHours":28.639220129527416,"quality":"neutral"},{"name":"Labha","start":"04:38","end":"06:09","startHours":28.639220129527416,"endHours":30.15361664040647,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:09","end":"07:09","startHours":6.1536166404064705,"endHours":7.1536166404064705,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:09","end":"08:09","startHours":7.1536166404064705,"endHours":8.15361664040647,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:09","end":"09:09","startHours":8.15361664040647,"endHours":9.15361664040647,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:09","end":"10:09","startHours":9.15361664040647,"endHours":10.15361664040647,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:09","end":"11:09","startHours":10.15361664040647,"endHours":11.15361664040647,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:09","end":"12:09","startHours":11.15361664040647,"endHours":12.15361664040647,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:09","end":"13:09","startHours":12.15361664040647,"endHours":13.15361664040647,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:09","end":"14:09","startHours":13.15361664040647,"endHours":14.15361664040647,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:09","end":"15:09","startHours":14.15361664040647,"endHours":15.15361664040647,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:09","end":"16:09","startHours":15.15361664040647,"endHours":16.15361664040647,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:09","end":"17:09","startHours":16.15361664040647,"endHours":17.15361664040647,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:09","end":"18:09","startHours":17.15361664040647,"endHours":18.15361664040647,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:09","end":"19:09","startHours":18.15361664040647,"endHours":19.15361664040647,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:09","end":"20:09","startHours":19.15361664040647,"endHours":20.15361664040647,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:09","end":"21:09","startHours":20.15361664040647,"endHours":21.15361664040647,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:09","end":"22:09","startHours":21.15361664040647,"endHours":22.15361664040647,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:09","end":"23:09","startHours":22.15361664040647,"endHours":23.15361664040647,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:09","end":"00:09","startHours":23.15361664040647,"endHours":24.15361664040647,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:09","end":"01:09","startHours":24.15361664040647,"endHours":25.15361664040647,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:09","end":"02:09","startHours":25.15361664040647,"endHours":26.15361664040647,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:09","end":"03:09","startHours":26.15361664040647,"endHours":27.15361664040647,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:09","end":"04:09","startHours":27.15361664040647,"endHours":28.15361664040647,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:09","end":"05:09","startHours":28.15361664040647,"endHours":29.15361664040647,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:09","end":"06:09","startHours":29.15361664040647,"endHours":30.15361664040647,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","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":-3.1517586410131515,"eotMinutes":11.167764186584405,"ayanamsa":26.5316}},"calendars":{"vikram_samvat":2248,"vikram_samvatsara":"Krodhi","saka_samvat":2113,"saka_samvatsara":"Khara","bengali_samvat":1598,"malayalam_era":1367,"nanakshahi_year":722,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Trayodaśī · Vikram 2248 Krodhi · Śaka 2113 Khara"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 1, 2191 CE · Ṛṣikeśa · Vidhyamitra","description":"October 1, 2191 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 06:09, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2191-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2191-10-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2191-10-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2191-10-01","x-default":"https://vidhyamitra.com/city/rishikesh/2191-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T20:26:24.233Z","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":"2026-05-28T20:26:24.233Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-28T20:26:24.233Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}