{"id":"vidhyamitra:city-day:rishikesh:1865-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1865-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1865-12-17","date_display":"December 17, 1865 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":1865,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402587.770833,"kali_year":4967,"ahargana":1814122.2708,"sun":{"sidereal_longitude":243.1589,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":229.2339,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.075,"elapsed_within_tithi_degrees":10.075},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.2339,"elapsed_within_degrees":2.5672},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3928},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1865,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402587.770833,"ahargana":1814122.2708,"kali_year":4967,"ayanamsa_lahiri":21.9806,"grahas":{"sun":{"sidereal_longitude":243.19193599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":230.06283600000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":3.4539},"mars":{"sidereal_longitude":234.46463599999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":258.592136,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":257.440436,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":228.05153599999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":197.89543600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":179.0719,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.0719,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1865,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402587.770833,"kali_year":4967,"ahargana":1814122.2708,"sun":{"sidereal_longitude":243.1589,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":229.2339,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.075,"elapsed_within_tithi_degrees":10.075},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":229.2339,"elapsed_within_degrees":2.5672},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3928},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.454,"elongation":13.925},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.454,"opposition_distance":166.075}},"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":"07:07","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.212938273591833,"dayLengthDisplay":"10 Hours 12 Mins 47 Secs","nightLengthDisplay":"13 Hours 47 Mins 13 Secs","moonriseLocal":"06:13","moonsetLocal":"16:29","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:20","startHours":16.057789037978466,"endHours":17.334406322177443,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.504554469580505,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:47","end":"16:03","startHours":14.781171753779486,"endHours":16.057789037978466,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.504486979090371,"endHours":9.844918254876767,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.547007143318603,"endHours":7.819352163947719,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.887505909595133,"endHours":12.568368461167923,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:26","startHours":5.759742945440033,"endHours":6.440605497012822,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.270389859119624,"endHours":7.12146804858561,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.930093564313498,"endHours":14.610956115886287,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.134406322177444,"endHours":17.534406322177443,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.334406322177443,"endHours":17.759945416910437,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.084406322177443,"endHours":18.834406322177443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.887505909595134,"endHours":24.56836846116792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:07","end":"08:24","startHours":7.12146804858561,"endHours":8.39808533278459,"quality":"inauspicious"},{"name":"Chala","start":"08:24","end":"09:40","startHours":8.39808533278459,"endHours":9.674702616983568,"quality":"neutral"},{"name":"Labha","start":"09:40","end":"10:57","startHours":9.674702616983568,"endHours":10.951319901182547,"quality":"auspicious"},{"name":"Amṛta","start":"10:57","end":"12:14","startHours":10.951319901182547,"endHours":12.227937185381528,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:30","startHours":12.227937185381528,"endHours":13.504554469580505,"quality":"inauspicious"},{"name":"Śubha","start":"13:30","end":"14:47","startHours":13.504554469580505,"endHours":14.781171753779486,"quality":"auspicious"},{"name":"Roga","start":"14:47","end":"16:03","startHours":14.781171753779486,"endHours":16.057789037978466,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:20","startHours":16.057789037978466,"endHours":17.334406322177443,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:20","end":"19:03","startHours":17.334406322177443,"endHours":19.057789037978463,"quality":"auspicious"},{"name":"Roga","start":"19:03","end":"20:47","startHours":19.057789037978463,"endHours":20.781171753779486,"quality":"inauspicious"},{"name":"Udveg","start":"20:47","end":"22:30","startHours":20.781171753779486,"endHours":22.504554469580505,"quality":"inauspicious"},{"name":"Chala","start":"22:30","end":"00:14","startHours":22.504554469580505,"endHours":24.227937185381528,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:57","startHours":24.227937185381528,"endHours":25.951319901182547,"quality":"auspicious"},{"name":"Amṛta","start":"01:57","end":"03:40","startHours":25.951319901182547,"endHours":27.674702616983566,"quality":"auspicious"},{"name":"Kāla","start":"03:40","end":"05:24","startHours":27.674702616983566,"endHours":29.39808533278459,"quality":"inauspicious"},{"name":"Śubha","start":"05:24","end":"07:07","startHours":29.39808533278459,"endHours":31.121468048585612,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.12146804858561,"endHours":8.12146804858561,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.12146804858561,"endHours":9.12146804858561,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.12146804858561,"endHours":10.12146804858561,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.12146804858561,"endHours":11.12146804858561,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.12146804858561,"endHours":12.12146804858561,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.12146804858561,"endHours":13.12146804858561,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.12146804858561,"endHours":14.12146804858561,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.12146804858561,"endHours":15.12146804858561,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.12146804858561,"endHours":16.121468048585612,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.121468048585612,"endHours":17.121468048585612,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.121468048585612,"endHours":18.121468048585612,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.121468048585612,"endHours":19.121468048585612,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.121468048585612,"endHours":20.121468048585612,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.121468048585612,"endHours":21.121468048585612,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.121468048585612,"endHours":22.121468048585612,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.121468048585612,"endHours":23.121468048585612,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.121468048585612,"endHours":24.121468048585612,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.121468048585612,"endHours":25.121468048585612,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.121468048585612,"endHours":26.121468048585612,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.121468048585612,"endHours":27.121468048585612,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.121468048585612,"endHours":28.121468048585612,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.121468048585612,"endHours":29.121468048585612,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.121468048585612,"endHours":30.121468048585612,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.121468048585612,"endHours":31.121468048585612,"planetary_lord":"Jupiter"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.348421826646497,"eotMinutes":3.253368877108411,"ayanamsa":21.9806}},"calendars":{"vikram_samvat":1922,"vikram_samvatsara":"Bahudhānya","saka_samvat":1787,"saka_samvatsara":"Krodhana","bengali_samvat":1272,"malayalam_era":1041,"nanakshahi_year":396,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturdaśī · Vikram 1922 Bahudhānya · Śaka 1787 Krodhana"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 December 17, 1865 CE · Ṛṣikeśa · Vidhyamitra","description":"December 17, 1865 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 07:07, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1865-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1865-12-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1865-12-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1865-12-17","x-default":"https://vidhyamitra.com/city/rishikesh/1865-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:50:30.274Z","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":"2026-05-31T02:50:30.274Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:50:30.274Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}