{"id":"vidhyamitra:city-day:rishikesh:1864-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1864-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1864-10-17","date_display":"October 17, 1864 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":1864,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402161.770833,"kali_year":4966,"ahargana":1813696.2708,"sun":{"sidereal_longitude":181.5653,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":25.9923,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.427,"elapsed_within_tithi_degrees":0.427},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.9923,"elapsed_within_degrees":12.659},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.5577},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1864,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402161.770833,"ahargana":1813696.2708,"kali_year":4966,"ayanamsa_lahiri":21.9643,"grahas":{"sun":{"sidereal_longitude":181.96421299999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":26.031612999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":-0.3409},"mars":{"sidereal_longitude":58.463413,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":168.29711299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":219.19381299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":207.906113,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":180.33811300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":201.6435,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":21.6435,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"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":1864,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402161.770833,"kali_year":4966,"ahargana":1813696.2708,"sun":{"sidereal_longitude":181.5653,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":25.9923,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":204.427,"elapsed_within_tithi_degrees":0.427},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.9923,"elapsed_within_degrees":12.659},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.5577},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.341,"elongation":155.573},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.341,"opposition_distance":24.427}},"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":"06:20","sunsetLocal":"17:44","solarNoonLocal":"12:02","dayLengthHours":11.405973265151761,"dayLengthDisplay":"11 Hours 24 Mins 22 Secs","nightLengthDisplay":"12 Hours 35 Mins 38 Secs","moonriseLocal":"18:54","moonsetLocal":"08:22","rahuKala":{"name":"Rāhu Kāla","start":"07:45","end":"09:11","startHours":7.751129699534291,"endHours":9.17687635767826,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:36","end":"12:02","startHours":10.602623015822232,"endHours":12.0283696739662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:27","end":"14:53","startHours":13.454116332110171,"endHours":14.879862990254143,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:22","startHours":8.986776803259065,"endHours":9.366975912097455,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:06","startHours":6.80063192743831,"endHours":7.1047912145090235,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:25","startHours":11.64817056512781,"endHours":12.408568782804593,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:34","startHours":4.804586606036752,"endHours":5.5649848237135355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:20","startHours":5.37488526929434,"endHours":6.32538304139032,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:41","startHours":13.92936521815816,"endHours":14.689763435834944,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.531356306542083,"endHours":17.93135630654208,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:12","startHours":17.731356306542082,"endHours":18.20660519259007,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.481356306542082,"endHours":19.231356306542082,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:25","startHours":23.64817056512781,"endHours":24.408568782804597,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:20","end":"07:45","startHours":6.32538304139032,"endHours":7.751129699534291,"quality":"auspicious"},{"name":"Kāla","start":"07:45","end":"09:11","startHours":7.751129699534291,"endHours":9.17687635767826,"quality":"inauspicious"},{"name":"Śubha","start":"09:11","end":"10:36","startHours":9.17687635767826,"endHours":10.602623015822232,"quality":"auspicious"},{"name":"Roga","start":"10:36","end":"12:02","startHours":10.602623015822232,"endHours":12.0283696739662,"quality":"inauspicious"},{"name":"Udveg","start":"12:02","end":"13:27","startHours":12.0283696739662,"endHours":13.454116332110171,"quality":"inauspicious"},{"name":"Chala","start":"13:27","end":"14:53","startHours":13.454116332110171,"endHours":14.879862990254143,"quality":"neutral"},{"name":"Labha","start":"14:53","end":"16:18","startHours":14.879862990254143,"endHours":16.30560964839811,"quality":"auspicious"},{"name":"Amṛta","start":"16:18","end":"17:44","startHours":16.30560964839811,"endHours":17.731356306542082,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:44","end":"19:18","startHours":17.731356306542082,"endHours":19.30560964839811,"quality":"neutral"},{"name":"Labha","start":"19:18","end":"20:53","startHours":19.30560964839811,"endHours":20.879862990254143,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:27","startHours":20.879862990254143,"endHours":22.45411633211017,"quality":"auspicious"},{"name":"Kāla","start":"22:27","end":"00:02","startHours":22.45411633211017,"endHours":24.028369673966203,"quality":"inauspicious"},{"name":"Śubha","start":"00:02","end":"01:36","startHours":24.028369673966203,"endHours":25.602623015822232,"quality":"auspicious"},{"name":"Roga","start":"01:36","end":"03:11","startHours":25.602623015822232,"endHours":27.17687635767826,"quality":"inauspicious"},{"name":"Udveg","start":"03:11","end":"04:45","startHours":27.17687635767826,"endHours":28.75112969953429,"quality":"inauspicious"},{"name":"Chala","start":"04:45","end":"06:20","startHours":28.75112969953429,"endHours":30.32538304139032,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.32538304139032,"endHours":7.32538304139032,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.32538304139032,"endHours":8.325383041390321,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.325383041390321,"endHours":9.325383041390321,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.325383041390321,"endHours":10.325383041390321,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.325383041390321,"endHours":11.325383041390321,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.325383041390321,"endHours":12.325383041390321,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.325383041390321,"endHours":13.325383041390321,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.325383041390321,"endHours":14.325383041390321,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.325383041390321,"endHours":15.325383041390321,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.325383041390321,"endHours":16.32538304139032,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.32538304139032,"endHours":17.32538304139032,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.32538304139032,"endHours":18.32538304139032,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.32538304139032,"endHours":19.32538304139032,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.32538304139032,"endHours":20.32538304139032,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.32538304139032,"endHours":21.32538304139032,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.32538304139032,"endHours":22.32538304139032,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.32538304139032,"endHours":23.32538304139032,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.32538304139032,"endHours":24.32538304139032,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.32538304139032,"endHours":25.32538304139032,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.32538304139032,"endHours":26.32538304139032,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.32538304139032,"endHours":27.32538304139032,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.32538304139032,"endHours":28.32538304139032,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.32538304139032,"endHours":29.32538304139032,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.32538304139032,"endHours":30.32538304139032,"planetary_lord":"Venus"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.283458098934416,"eotMinutes":15.227419562027912,"ayanamsa":21.9643}},"calendars":{"vikram_samvat":1921,"vikram_samvatsara":"Īśvara","saka_samvat":1786,"saka_samvatsara":"Raktākṣī","bengali_samvat":1271,"malayalam_era":1040,"nanakshahi_year":395,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Tṛtīyā · Vikram 1921 Īśvara · Śaka 1786 Raktākṣī"},"festivals":[],"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":[]},"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, 1864 CE · Ṛṣikeśa · Vidhyamitra","description":"October 17, 1864 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 06:20, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1864-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1864-10-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1864-10-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1864-10-17","x-default":"https://vidhyamitra.com/city/rishikesh/1864-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:57:54.145Z","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":"2026-05-30T22:57:54.145Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:57:54.145Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}